Lower & Upper Receivers

This is a new Stern Defense MOD4 complete Glock compatible complete upper receiver chambered in 9mm Luger. It features a 4-inch barrel, MBC blast can, free float M-LOK handguard, full length...

The Sig Sauer MCX Spear-LT Lower features a fully ambidextrous controls and rear QD point for slings, 1913 3-slot Pic rail for attaching stock adapters. This lower includes the mimimalist stock,...

This is a factory new never fired Ruger MK IV stripped barreled receiver chambered for .22 LR. This upper comes with adjustable sights and a 4 ½-inch stubby pencil profile barrel.  The push-button...

Use Code "LMT20" at Checkout to Save 20%  The LMT Defense MARS-H SOPMOD Complete AR10 Lower Receiver (LM308AM) brings LMT's award-winning Modular Ambidextrous Rifle System to the large-frame .308/7...

Machined from billet 7075-T6 aluminum, the A-DAC 15 is a fully ambidextrous lower receiver for AR15-style firearms. In addition to the Talon Ambidextrous Safety Selector, left-side magazine release,...

Machined from billet 7075-T6 aluminum, the A-DAC 15 is a fully ambidextrous lower receiver for AR15-style firearms. In addition to the Talon Ambidextrous Safety Selector, left-side magazine release,...

Fostech Origin 12 SBS Barrel Assembly. Complete upper receiver for your Fostech Origin 12 shotgun. Features a 9.75" barrel and is perfect for your SBS build.  Fostech Origin 12 SBS Barrel...

Use what THEY use. The Daniel Defense MK18 Upper Receiver Group features the railed forend Daniel Defense currently provides to USSOCOM and a 10.3" Cold Hammer Forged Barrel. The MK18 Rail...

This is a new Sons of Liberty Gunworks M76 9.5-inch wedge lock rail compatible with AR-15 pattern firearms. It features aluminum construction, top mounted picatinny rail, 4140 Steel barrel nut, QD...

This is a new Sons of Liberty Gun Works "Scalper" stripped lower receiver for all AR-15 platform rifles. Manufactured in collaboration with Rogue American Apparel featuring the Scalper logo and...

The Sons of Liberty Gun Works stripped lower receivers are made to the tightest tolerances while still being compatible with Mil-Spec parts and upper receivers. This ensures that there is...

The Sons of Liberty Gun Works M76 M-LOK Handguard features their new wedgelock attachment system that keeps the free float handguard locked tight against the 4140 steel barrel nut. This is the 10.5”...