458 socom upper

The Radical Firearms .458 SOCOM looks like a high-end upper receiver. From the Panzer muzzle brake to the hybrid rail system Radical Firearms went the extra mile to make their product look unique.

Latin is one of the most widely used writing systems in the world. It has evolved over centuries, and one of its key features is the distinction between lower case and upper case l...Jul 5, 2019 · The .458 launches 250 to 600 grain .458 caliber bullets with manageable recoil. Building an AR in .458 SOCOM requires a .458 specific bolt and barrel. The ejection port opening of the upper receiver must be extended to allow clearance for the larger cartridge. The .458 SOCOM feeds from most standard unmodified 5.56 AR magazines. As of April 2024, allow 5-10 days for this item to be built and shipped. Ready to fire on your lower receiver. Barrels available in stainless or chromoly with standard 1:14 twist. Base model includes 6061 M4 style upper receiver, 8" black barrel 1:14 twist, muzzle threaded 5/8-24, black flash hider, black gas block, bolt/carrier,Today we take a Lukewarm dive into the ridiculous round. It was a truly fun expierience. Thank you BEXAR Arms for lending us your toy, we had a blast with it... As of May 2024, allow 5-10 days for this item to be built and shipped. Ready to fire on your lower receiver. Available in Black 4150 chromoly steel or 416 Stainless steel options. Base model includes a 6061 M4 style upper receiver, black 4150 chromoly barrel, black flash hider, black gas block, bolt/carrier, and charging Update: Some offers mentioned below are no longer available. View the current offers here. As the launch of TPG UK grew even closer, I had to take yet anothe... Update: Some offers...Find a high quality complete 458 SOCOM upper online at BCA. Comes with a BCG, charging handle, upper receiver, and barrel. Shop and save today!

Great Lakes 458 Socom Complete Upper Receiver . Model LJ458SOCOM: Condition Factory New: Bud's Item # 713084970: UPC 702458689836: Manufacturer GLFA.458 SOCOM 16" NITRIDE BLACK (0 Reviews) There are no reviews on this product yet. Be the first to write one: Write Review. Questions & Answers (0 Questions)Dec 21, 2021 · The .458 SOCOM is a member of the “thumper” family. The Thumper concept comes from the great Jeff Cooper. A larger caliber bullet out of a rifle-length barrel. When Bear Creek Arsenal offered up a review, obviously I was going to request it be one of their .458 SOCOMs. Bear Creek is known for making affordable options for the gun world. Nov 24, 2020 · The MkW features the CMMG mid-sized receivers based on our Mk3 platform carved from billet 7075-T6 aluminum. The MkW was engineered to harness the full potential of the 458 SOCOM cartridge utilizing the POWERBOLT technology based off our Mk3. All ANVIL upper groups chambered in .458 socom feature and adjustble gas block to accomodate a variety ... AR-15 16” .458 SOCOM, Parkerized Heavy Barrel, 1:14 Twist, Side Charge upper, Carbine Length Gas System, 15″ MLok Handguard Rated 4.80 out of 5 $ 349.99 Read more RRA Lightweight Aluminum Free Float Rail, 13 Inch Extended Length, M-LOK® Compatible. INCLUDES: Bolt Carrier Group and Charging Handle Assembly. Item Number Description Select Price. SOC0820.V1 .458 SOCOM RRA CLB Upper Half Starting at: $810.00. Reset Dealer Login. Quantity:1.

BC-15 | .458 SOCOM Right Side Charging Upper | 16” Parkerized Heavy Barrel | 1:14 Twist | Carbine Length Gas System | 15” MLOK. 43 Reviews. $217.76 $241.96. Out of stock. Show. "Carving out a niche in the competitive firearms industry, BCA offers an attractive blend of quality, variety, affordability, and exceptional customer service. This ...This BCA AR-15 complete .458 SOCOM rifle length upper has a 16" heavy barrel with a parkerized finish, and features a 1:14 twist rate, with a carbine length gas system (.875). It includes the new 15" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, and a right-side charging (Gen2) handle (patent protected).RRA Lightweight Aluminum Free Float Rail, 13 Inch Extended Length, M-LOK® Compatible. INCLUDES: Bolt Carrier Group and Charging Handle Assembly. Item Number Description Select Price. SOC0820.V1 .458 SOCOM RRA CLB Upper Half Starting at: $810.00. Reset Dealer Login. Quantity:1.The real cleverness in the design of the .458 SOCOM is that nothing but the upper need be changed — same magazine as the .223, same buffer spring in the buttstock, same everything. Just get a ...

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Pistol Length > .458 SOCOM > AR-15 Upper Build Kits. Products [1] Sort by: Submit. Quick View. DD 'Quantumstrike' 16-inch AR-15 .458 SOCOM Nitride Rifle Upper Build ... Stripped billet upper drops onto standard lower and features expanded ejection port that accommodates .458 SOCOM and other big-bore AR-15 calibers. Integral Picatinny rail provides mounting space, and slick-side design does not require forward assist or ejection port cover, simplifying the build.If you’re looking to build your own .458 SOCOM rifle, Wilson Combat has a solution. The Wilson Combat Billet Upper Receiver is a solid billet upper with an enlarged ejection port perfect for that .458 brass. Wilson Combat Billet Upper 458 SOCOM. It does not come with a forward assist.The Radical Firearms .458 SOCOM looks like a high-end upper receiver. From the Panzer muzzle brake to the hybrid rail system Radical Firearms went the extra mile to make their product look unique.

16" 458 SOCOM Upper Assembly for AR15 with 16" 458 SOCOM Heavy Parkerized Barrel, 12" Rail and Competition Muzzle Brake. The .458 SOCOM was designed for a single purpose - keep special operators alive by killing their adversaries more efficiently. This is achieved through a high pressure cartridge and a large caliber, 300-500 grain bullet.BC-15 | .458 SOCOM Right Side Charging Upper | 16” Parkerized Heavy Barrel | 1:14 Twist | Carbine Length Gas System | 15” MLOK. 43 Reviews. $217.76 $241.96. Out of stock. Show. "Carving out a niche in the competitive firearms industry, BCA offers an attractive blend of quality, variety, affordability, and exceptional customer service. This ...May 4, 2021 · A .458 SOCOM differs from a standard 5.56mm AR-15 in the barrel and the face of the bolt is opened up with the extractor and ejector suitably modified. Marty became intrigued with the idea and decided to try to develop such a cartridge. He eventually decided on using common .458-inch diameter projectiles. This BCA AR-15 complete .458 Sporter SOCOM rifle length upper has a 16" heavy barrel with a parkerized finish, and features a 1:14 twist rate, with a carbine length gas system. It includes a 12" MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle.24" 204 RUGER Upper - Shaw Bull Smooth SS Barrel - 15" Rail - Thread Protector. Was: $637.00. $509.00. Current Stock: 7. from reviews. Get high-quality AR 15 assembled upper receivers, optics, barrels, rails, magazines, BCGs & more at AR15Parts.com. Known for amazing customer service and fast shipping.AR15 UPPER RECEIVER, 458 SOCOM, 16" COMPLETE (0) Your Price: $565.00 In Stock. AR15 UPPER RECEIVER, 458 SOCOM, 10 1/2" COMPLETE (0) Your Price: $525.00 In Stock. Links. Military / LEO Discount; Teppo Jutsu; Category Index; State Restrictions; Product Videos; Terms and Conditions; Government Agency / Export;This upper assembly is compatible with .458 Socom cartridges, making it suitable for big game hunting and tactical shooting. It is made from 4150 Chromoly Vanadium (CMV), a high strength steel that offers increased strength, corrosion resistance, and wear resistance. This AR-15 .458 Socom upper assembly features an 18-inch barrel which is long ... Anderson's .458 SOCOM Stripped Upper Receiver is machined from 7075 T6 Aluminum forging. This .458 Upper Receiver is machined to fit onto our standard multi cal lower receivers and features an expanded ejection port opening. This upper receiver comes in type III hard coat black anodize for extreme durability. This BCA AR-15 complete .458 SOCOM rifle length upper has a 16" heavy barrel with a parkerized finish, and features a 1:14 twist rate, with a carbine length gas system (.875). It includes the new 15" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, and a right-side charging (Gen2) handle (patent protected).

The Anderson Manufacturing .458 SOCOM Stripped Upper Receiver is built to Mil-Spec for compatibility with most forged AR-15 lower receivers. It is constructed from a 7075-T6 …

Get ratings and reviews for the top 7 home warranty companies in Upper Merion, PA. Helping you find the best home warranty companies for the job. Expert Advice On Improving Your Ho... Barrel: 16" 4150V steel, chrome moly, heat treated, black, Socom extention, .875 gas block diameter, carbine gas system. Handguard: 15" Rifle-length Mlok Super Slim Free Float. .458 SOCOM Upper Receiver, Complete with Dust cover and Forward Assist. Does not come with BCG and Charging Handle. Can be purchased separately as add on option on top ... About the BCM® Standard 14.5" M4 (SOCOM) Complete Upper Receiver. The SOCOM M4 profile is a mid-weight profile barrel for the M4A1 Carbine. The flats milled under the handguards are for mounting of the M203. SOCOM requested the mid profile to better handle the volume of fire from their shooters. This profile is being adopted as a … This BCA AR-15 complete .458 SOCOM rifle length upper has a 16" heavy barrel with a parkerized finish, and features a 1:14 twist rate, with a carbine length gas system. It includes a 15 1/4" MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. View Details. $147.50. Out of Stock. Anderson Manufacturing .458 SOCOM Stripped AR-15 Upper Receiver. View Details. $80.00. Shop our wide selection of .458 SOCOM upper. We carry top brands like KAK industries, Anderson Manufacturing and more. Find the perfect .458 SOCOM upper for AR15 today. Find the perfect match for your firearm with BCA high-quality upper receivers in various calibers. Shop now! ... 458 SOCOM . 458 SOCOM Rifles ; 458 SOCOM Complete UppersWilson Combat’s down with that . . . Think of the .458 SOCOM as a .45-70 in a modern AR platform weapon. It’s capable of firing 250gr through 600gr bullets, however is best suited for bullets in the 250gr – 400gr range for hunting. It’s at it’s very best when firing the purpose built Barnes 300gr TAC TX bulle t in the 1750fps ...4 Items. Sort By. Position. BC-15 | .458 SOCOM Right Side Charging Upper | 16” Parkerized Heavy Barrel | 1:14 Twist | Carbine Length Gas System | 15” MLOK. 43 Reviews. $241.96. Add to Cart. BC-15 | .458 SOCOM Right Charging Upper | Parkerized 16” Heavy Barrel | 1:14 Twist | Carbine Length Gas System | 15” MLOK. 19 Reviews.

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Dec 8, 2023 ... Stag Arms left hand upper receiver and BCG. The bolt was sent to Paladin Machine to have the bolt face sized and the upper receiver ... DetailsThe Anderson Manufacturing .458 SOCOM Stripped Upper Receiver is built to Mil-Spec for compatibility with most forged AR-15 lower receivers. It is constructed from a 7075-T6 aluminum forging and machined with M4 feed ramps to aid in reliability when chambering. The .458 SOCOM upper also features an extended and widened ejection port for proper ejection of larger cartridges. With a ... 16" 458 SOCOM Upper Assembly for AR15 with 16" 458 SOCOM Heavy Parkerized Barrel, 12" Rail and Competition Muzzle Brake. The .458 SOCOM was designed for a single purpose - keep special operators alive by killing their adversaries more efficiently. This is achieved through a high pressure cartridge and a large caliber, 300-500 grain bullet.The Radical Firearms 16" Big Bore profile 458 Socom is a complete MIL-STD upper ready to drop on any MIL-STD lower Receiver. Perfect for the novice or advanced shooter wanting to finish out that build and hit the range. Built with our 15" MHR free float rail system for increased accuracy and keeping your hands cool.Great Lakes 458 Socom Complete Upper Receiver . Model LJ458SOCOM: Condition Factory New: Bud's Item # 713084970: UPC 702458689836: Manufacturer GLFA.458 SOCOM 16" NITRIDE BLACK (0 Reviews) There are no reviews on this product yet. Be the first to write one: Write Review. Questions & Answers (0 Questions)DetailsThe Anderson Manufacturing .458 SOCOM Stripped Upper Receiver is built to Mil-Spec for compatibility with most forged AR-15 lower receivers. It is constructed from a 7075-T6 aluminum forging and machined with M4 feed ramps to aid in reliability when chambering. The .458 SOCOM upper also features an extended and widened ejection port for proper ejection of larger cartridges. With a ...Oct 24, 2014 ... Complete upper in .458 Socom, TROMIX built, just came in today, and it's sweet! This is a 10"barrel, and is available in non-NFA lengths, as ...16" 458 SOCOM Upper Assembly for AR15 with 16" 458 SOCOM Heavy Parkerized Barrel, 12" Rail and Competition Muzzle Brake. The .458 SOCOM was designed for a single purpose - keep special operators alive by killing their adversaries more efficiently. This is achieved through a high pressure cartridge and a large caliber, 300-500 grain bullet.Get high-quality AR 15 assembled upper receivers, optics, barrels, rails, magazines, BCGs & more at AR15Parts.com. Known for amazing customer service and fast shipping. Fast & Free Shipping on Orders $99+ ... 458 SOCOM UPPERS 50 BEOWULF UPPERS 556 NATO UPPERS 6MM ARC UPPERS 6.5 CREEDMOOR UPPERS 6.5 GRENDEL UPPERS 6.8 … ….

AR 15 Stripped Upper Receivers for sale at Primary Arms. Get yours while they last and build your dream AR. We've got billet and forged stripped uppers. ... .458 SOCOM; 5.56 NATO; Fitment. AR-15; Gas System Length. Carbine; false; true; Customer Rating. false; true; Platform. AR-15; In Stock . Anderson Manufacturing AR-15 Stripped Upper Receiver.458 SOCOM. 375 SOCOM. 338 SPECTRE. 240 SPECTRE. SLAM-FIRE SAFETY REMINDER for AR15's: Only load your rifle from the magazine. NEVER insert a loaded round in the chamber and then drop the bolt. Check out our selection of complete AR 15 upper receivers. We carry uppers for both .458 SOCOM and .375 SOCOM in 10.5 … DetailsThe Anderson Manufacturing .458 SOCOM Stripped Upper Receiver is built to Mil-Spec for compatibility with most forged AR-15 lower receivers. It is constructed from a 7075-T6 aluminum forging and machined with M4 feed ramps to aid in reliability when chambering. The .458 SOCOM upper also features an extended and widened ejection port for proper ejection of larger cartridges. With a ... DetailsWith a reputation for precision manufacturing, KAK Industry offers quality, American made components at affordable prices. The KAK Industries Modified Upper Receiver Assembly is machined from a 7075-T6 aluminum forging to MIL-SPEC dimensions with a modified port for use with .458 SOCOM or other large cartridges. The receiver is …The Upper East Side of New York City is a bustling neighborhood filled with renowned museums, upscale boutiques, and luxurious apartments. However, parking in this area can be quit...Chambered in .458 Socom. Button rifled with 1-14 rh twist. .875 under gas block diameter. Threaded 5/8x24. Carbine gas system. Barrel is finished off by 458 SOCOM linear compensator hardened steel construction, black. A3 flat top Socom upper receiver - made from certified 7075-T6 aluminum forgings. Black hardcoat anodized to Gov. Specs.Details. UPPER RECEIVER: AR-15 Big Bore Mil-Spec Machined out of 7075-T6 Forged Aluminum, Single Large Feed Ramp, Type III Hardcoat Anodized Black with Forward Assist and Ejection Port Cover Installed. BARREL: 10.5 inch, 458 Socom Caliber, 4150 Chrome Moly Vanadium Steel, 1:14 Twist, Govt Profile, Nitride/Melonite Treated - made for us by ...Dec 29, 2012 ... I did not know too much about the .458 Socom on the AR platform but I was very interested in the project. He said that he would supply the upper ...The .458 launches 250 to 600 grain .458 caliber bullets with manageable recoil. Building an AR in .458 SOCOM requires a .458 specific bolt and barrel. The ejection port opening of the upper receiver must be extended to allow clearance for the larger cartridge. The .458 SOCOM feeds from most standard unmodified 5.56 AR magazines.The Radical Firearms 16" Big Bore profile 458 Socom is a complete MIL-STD upper ready to drop on any MIL-STD lower Receiver. Perfect for the novice or advanced shooter wanting to finish out that build and hit the range. Built with our 15" MHR free float rail system for increased accuracy and keeping your hands cool. 458 socom upper, Get ratings and reviews for the top 7 home warranty companies in Upper Merion, PA. Helping you find the best home warranty companies for the job. Expert Advice On Improving Your Ho..., Are you in search of a new home but on a tight budget? Fixer upper homes for sale might just be the perfect option for you. These properties, although in need of some repair and re..., AR-15 16” .458 SOCOM, Parkerized Heavy Barrel, 1:14 Twist, Side Charge upper, Carbine Length Gas System, 15″ MLok Handguard Rated 4.80 out of 5 based on 5 customer ratings ( 5 customer reviews), This .458 SOCOM Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most Mil-Spec upper receivers chambered in .458 SOCOM (Type 2). All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, and extreme durability, and increases both wear and corrosion resistance., Dentures are false teeth made to replace lost teeth. Dentures can be partial or complete. Read more about how to properly care for and adjust to them. Dentures are false teeth made..., Check out our 458 Socom Caliber Products for the AR-15. We have a large selection of Stocks, Barrels, Complete Upper Receivers and more! Blog; Q & A; Testimonials; ... Complete Upper Receivers, Stocks and more for your .458 Socom AR-15 – Made by Guntec USA. Min price Max price Filter, A15-M .458 SOCOM Complete Upper. Sale. $645.99 $545.99. (14 reviews) Write a Review. Barrel Length: Required. Brake: Required. Cerakote- Must Specify Color In Notes At Checkout Or You Will Get Black: Required. Quantity: Add to Wish List., Buy customizable 458 SOCOM complete uppers for your AR15 platform. Choose from different barrels, rails, optics, and more for supersonic or subsonic rounds., Black Rain .458 SOCOM Pistol. The BRO Spec15 series is a line of AR-15 rifles and pistols built to meet the bid requirements for law enforcement and military personnel, and as an affordable option for civilian use. Spec15 Specs. The most basic of the Spec15 series, the upper/lower receiver set is Spec15 anodized forged aluminum., Specifications: Caliber: .458 SOCOM Classification: Rifle Barrel: Gauntlet Arms "Skiff" 16" 1-14 Twist Hbar .458 Socom Engraved Barrel .936 Gas System (Cryo Treated) Twist Rate: 1:14T Thread Pitch: 5/8x32 Upper Receiver: Anderson Mfg. .458 SOCOM AM-15 Stripped Upper Receiver, Anodized Handguard: Gauntlet Arms 12" MLOK Freefloat Handguard, …, Buy a complete upper receiver for .458 SOCOM cartridge with stainless steel barrel, black nitride BCG and MLOK handguard. Read customer reviews and see other …, The Rock River Arms CLB .458 SOCOM Completed Upper was created to function as the best product for anybody trying to find a top quality choice.. Developed using some of the most extremely strong and dependable materials in existence, these AR15 Upper Receivers via Rock River Arms will present you with a product that will give you a great deal ..., Wilson Combat has been the innovator in custom pistols, long guns, and accessories since 1977. Home of the Wilson Combat 1911, EDC X9, WCP320, and more!, The Upper East Side of New York City is a bustling neighborhood filled with renowned museums, upscale boutiques, and luxurious apartments. However, parking in this area can be quit..., The Black Rain Ordnance Spec15 Complete Upper Receiver is a high quality solution for your large caliber AR build. These AR15 Upper Receivers by Black Rain Ordnance feature what you need for a performance .458 SOCOM build, including a 16in barrel with 1x14 twist, a bolt carrier group with .458 bolt, a .458 muzzle brake, and more!, The .458 SOCOM is a member of the “thumper” family. The Thumper concept comes from the great Jeff Cooper. A larger caliber bullet out of a rifle-length barrel. When Bear Creek Arsenal offered up a review, obviously I was going to request it be one of their .458 SOCOMs. Bear Creek is known for making affordable options for the gun world., 458 SOCOM Upper Assembly. Our upper receivers are custom built one at a time. Our barrels are specially made for us to order and this is the part that delays delivery. Each upper assembly that we make is custom made to the customer's specifications, not what we have previously determined shall occur. There is a host of options available for our ..., About 458 SOCOM. Steinel Ammunition is known for our 300-grain JHP 458 SOCOM load. Since then we have not only added more calibers, but we have also added more SOCOM loads to help fill the various roles that this caliber can handle. Maker Bullets – These solid copper hollow points offer world-class expansion and weight retention., The Wilson Combat .458 SOCOM upper receiver is designed for serious shooters looking to step up their game. Quality engineered from 7075-T6 forgings, this upper receiver features an anodized finish and a precise bolt raceway for smoother chambering and more rigid receiver walls to reduce firing flex., The .458 SOCOM treads hard on its heels, but with a flatter (albeit still arcing) trajectory. Accuracy results are the average of four, five-shot groups, over a Sinclair shooting rest, at 50 yards. Velocity is the average of five shots, measured by a Labradar chrono, programmed to measure velocity 15 feet from the muzzle., The 458 Socom was designed to be compatible with the M4 platform. Since most parts (except the bolt and the barrel) are interchangeable among AR caliber rifles. Some people move towards modifying the existing .223/5.56 caliber upper receiver by cutting up the ejection port. While that works most of the time., Things can happen in the blink of an eye. In those few precious moments your firearm can not fail. That's why we at Rock River Arms take pride in supplying you the highest quality firearms possible. Rock River Arms, Inc. offers a complete line of American made, custom built AR15 style rifles., April 2, 2022. 11 minute read. Are you looking to find the best .458 SOCOM uppers to complete the build of your AR? If so, you’ve got a real project ahead of you. There’s an …, Get high-quality AR 15 assembled upper receivers, optics, barrels, rails, magazines, BCGs & more at AR15Parts.com. Known for amazing customer service and fast shipping. Fast & Free Shipping on Orders $99+ ... 458 SOCOM UPPERS 50 BEOWULF UPPERS 556 NATO UPPERS 6MM ARC UPPERS 6.5 CREEDMOOR UPPERS 6.5 GRENDEL UPPERS 6.8 …, The 458 SOCOM cartridge is the answer that these gun owners were looking for, as its heavier bullets can deliver bone-crushing kinetic energy that can stop feral hogs or whitetail in their tracks. However, is investing in a big bore 458 SOCOM upper receiver really worth it? Or is it better to stick with the AR-15 platform mainstay, the 5.56 NATO?, Are you looking for a way to strengthen and tone your upper body? Look no further than wall Pilates exercises. These unique exercises utilize the support of a wall to provide stabi..., DetailsWith a reputation for precision manufacturing, KAK Industry offers quality, American made components at affordable prices. The KAK Industries Modified Upper Receiver Assembly is machined from a 7075-T6 aluminum forging to MIL-SPEC dimensions with a modified port for use with .458 SOCOM or other large cartridges. The receiver is …, The upper includes a 15” lightweight Keymod rail, an M4 flat-top forged upper receiver with forward assist, a BCA bolt carrier group, a birdcage flash hider, and a charging handle. It is chambered in .458 SOCOM and machined with single feed ramps in the barrel extension. This upper ships out with three test casings. 16” Heavy Barrel, In recent years, there has been a surge in interest and demand for fixer upper homes for sale. These properties, often in need of renovation or repair, have become an attractive op..., DetailsWith a reputation for precision manufacturing, KAK Industry offers quality, American made components at affordable prices. The KAK Industries Modified Upper Receiver Assembly is machined from a 7075-T6 aluminum forging to MIL-SPEC dimensions with a modified port for use with .458 SOCOM or other large cartridges. The receiver is …, BARREL: 18 inch, 458 Socom Caliber, 4150 Chrome Moly Vanadium Steel, 1:14 Twist, Heavy Profile, Nitride/Melonite Treated - made for us by Tactical Kinetics. HANDGUARD: …, Check out our 458 Socom Caliber for the AR-15. We have a large selection of Stocks, Barrels, Complete Upper Receivers and more! FAQs. Blog. My Account. Free Shipping on Orders $100+ ... .458 Socom AR-15 Upper Receiver Complete With MOD LITE M-LOK Handguard. Rated 5.00 out of 5 $ 699.95. Out of Stock., AR 15 Stripped Upper Receivers for sale at Primary Arms. Get yours while they last and build your dream AR. We've got billet and forged stripped uppers. ... .458 SOCOM; 5.56 NATO; Fitment. AR-15; Gas System Length. Carbine; false; true; Customer Rating. false; true; Platform. AR-15; In Stock . Anderson Manufacturing AR-15 Stripped Upper Receiver.