Collection:

Upper Receivers

229 products
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$60.96 Off
Regular price $838.99
Sale price $838.99
Regular price $899.95
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The CMMG Resolute MK4 Upper Receiver in 350 Legend offers a balance of accuracy and maneuverability with its 16.1-inch barrel, promising reliable performance in defense or target practice. Finished...
Regular price $55.00
Sale price $55.00
Regular price $55.00
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The Sons of Liberty Gun Works A5 Receiver Extension is a versatile, 9 position Buffer Tube ideal for upgrading your existing AR-15 or starting a new firearm project. This black receiver extension g...
$50.01 Off
Regular price $604.99
Sale price $604.99
Regular price $655.00
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The Aero Precision M4E1 AR15 Complete Upper is a top-quality addition for your lightweight build, featuring a 16-inch barrel with a 1:7 twist, designed for 223 Remington caliber. In anodized black,...
$25.01 Off
Regular price $209.99
Sale price $209.99
Regular price $235.00
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The Aero Precision M5 Assembled Upper for AR10 is a durable, anodized product, made from precision-machined, forged 7075-T6 aluminum for accepting standard .308 components. It comes in a Flat Dark ...
$28.01 Off
Regular price $871.99
Sale price $871.99
Regular price $900.00
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The Sons of Liberty Gun Works M4-89 Complete Upper is a robust equipment addition, constructed for precision and durability with a 223 Remington/556NATO, 11.5 inch Combat Barrel, QPQ Finish, and a ...
Regular price $1,829.95
Sale price $1,829.95
Regular price $1,829.95
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The Radian Weapons Complete Upper is a high-quality, Cerakote finished, brown fits AR-15 model that features a 300 Blackout, 9" barrel with a 1:5 twist, a SilencerCo ASR Flash Hider, a pistol lengt...
Regular price $692.98
Sale price $692.98
Regular price $692.98
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The Battle Arms Development WORKHORSE Complete Upper Receiver is a 556NATO caliber and 10.5 barrel designed specifically for AR-15s. This black anodized finish model features an M-Lok Handguard, a ...
$70.00 Off
Regular price $630.00
Sale price $630.00
Regular price $700.00
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The Spike's Tactical Complete Upper Receiver is a quality-tested component, ready for drop-in use with AR rifles. It features a 16" FN Hammer Forged Barrel in 223 Remington/556NATO caliber, a 1:7 t...
Regular price $769.95
Sale price $769.95
Regular price $769.95
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The Radian Weapons Upper/Handguard Set is an excellent choice for AR-15 owners, offering a precision CNC machined receiver and hand guard with structural reinforcements for extra strength and rigid...
Regular price $814.95
Sale price $814.95
Regular price $814.95
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The Radian Weapons Upper/Handguard Set is a precision CNC machined matching set, designed to provide improved strength and rigidity to your AR-15. Available in black cerakote finish, it includes a ...
Regular price $924.95
Sale price $924.95
Regular price $924.95
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The Radian Weapons Upper/Handguard Set in brown cerakote finish is a matching CNC machined set, structurally reinforced for improved strength and rigidity. Designed to fit AR-15, it includes a 14 M...
$65.01 Off
Regular price $564.99
Sale price $564.99
Regular price $630.00
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The Aero Precision EPC-9 Complete Upper is a 9MM caliber with a 16-inch barrel and 1:10 twist, featuring an ATLAS S-ONE 15 Handguard. It sports a Cerakote Finish in Flat Dark Earth color and is des...
$60.00 Off
Regular price $539.99
Sale price $539.99
Regular price $599.99
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The Angstadt Arms 0940 UDP Upper is a high-quality, complete upper receiver pistol assembly that's compatible with any 9mm AR-15 lower receiver. This black, 6" barrel product includes a 9MM BCG and...
$49.01 Off
Regular price $585.99
Sale price $585.99
Regular price $635.00
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The Aero Precision M4E1-T AR15 Complete Upper is a high-quality device for 223 Remington/556NATO, featuring a 10.5 barrel with a 1:7 twist, a carbine gas system, and an ATLAS R-ONE 9 M-LOK Handguar...
$12.01 Off
Regular price $272.99
Sale price $272.99
Regular price $285.00
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Transform your Glock into a .22LR with the Advantage Arms Conversion Kit. This black finished, 4.49 barrel length kit fits a Glock Generation 4 17/22 and includes a 10-round magazine and range bag.
$6.01 Off
Regular price $428.99
Sale price $428.99
Regular price $435.00
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The Aero Precision AR15 Complete Upper is a 223 Remington caliber with a 10.5" barrel featuring a 1:7 Twist and an A2 Front Sight Block. This model is in black, sporting a Flat Dark Earth Magpul MO...
$53.01 Off
Regular price $641.99
Sale price $641.99
Regular price $695.00
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The Aero Precision M4E1 AR15 Complete Upper in flat dark earth is a robust addition to your firearm, designed for 223 Remington caliber. It boasts a 16" barrel with a 1:7 twist, mid-length gas syst...
$5.96 Off
Regular price $183.99
Sale price $183.99
Regular price $189.95
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The Bootleg Billet Upper is a sleek, black component designed for an AR15 model. Brought to you by renowned manufacturer, Bootleg, this product enhances the functionality and appearance of your wea...
$63.01 Off
Regular price $756.99
Sale price $756.99
Regular price $820.00
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The Aero Precision M5 Complete Upper is a 308 Winchester, featuring a 16" barrel with a 1:10 twist ratio and a rifle-length gas system. It also integrates an ATLAS S-ONE handguard and is complete w...
$10.00 Off
Regular price $119.99
Sale price $119.99
Regular price $129.99
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The LBE Unlimited Upper is a superior quality, US-made gun part in a sleek black finish, complete with an installed Forward Assist/Ejection Port Cover Assembly. It's perfect for AR-15 builds or upg...