Lower & Upper Receivers

The LMT Defense Rail Mounted M203 Receiver + 9" M203 Barrel Bundle (L2B1-LMP380) combines two of LMT's most sought-after 40mm grenade launcher components into one package: the Rail Mounted M203 Receiver (L2B1) and the 9" M203 Barrel Assembly (LMP380)...

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 6" stubby pencil profile barrel.  The push-button takedown makes switching uppers easier than switching from...

The VLTOR MUR-1A Modular Upper Receiver is a premium mil-spec upper receiver for AR-15 builds, machined from 7075 T6 aluminum with a Type III hard anodize finish for outstanding strength and corrosion resistance. The MUR-1A is a stripped upper receiver...

Get your LMT L7D1A upper receiver and LMT LMP149H lower receiver combo for your AR15 build ordered today! UPPER RECEIVER The LMT Defense standard flat-top AR15 upper receiver features mil-spec compatibility and pre-installed components for use in builds...

The LMT Defense Flat Top Upper Receiver (L7D1A) is a mil-spec AR-15 flat top upper receiver machined from forged 7075-T6 aluminum with a Type III hard anodized finish. Featuring a standard flat top Picatinny (MIL-STD-1913) rail, this upper receiver is...

Features: Make: Colt Model: 6933 Caliber: 5.56x45mm Barrel Length: 11.5" Condition: Pre-Owned (Police Trade-In). Disclaimer: This Colt Uppers include a complete BCG made by Bootleg Inc which is the 4-position version PN - BP-C15-D This item is...

Features: Make: Colt Model: 6933 Caliber: 5.56x45mm Barrel Length: 11.5" Condition: Pre-Owned (Police Trade-In). Disclaimer: All uppers include a factory Colt complete BCG with a C marked bolt carrier.  This item is pre-owned and may contain small...

Features: Make: Colt Model: LE6946CK Caliber: 5.56x45mm Barrel Length: 10.5" Condition: Pre-Owned (Police Trade-In). Disclaimer: All uppers include a factory Colt complete BCG with a C marked bolt carrier.  This item is pre-owned and may contain...

LWRC M6 IC Enhanced Lower Receiver is fully ambidextrous, with a safety selector, mag release and bolt stop. These are semi auto receivers are stamped with 5.56 full auto markings.The LWRC M6 IC Enhanced Lower Receiver comes standard with LWRC enhanced...

LMT Defense - MRP-L MLOK 11.5" Specwar - AR15 Upper Receiver - #L7Z1A The patented LMT monolithic rail platform (MRP) upper receiver, has a receiver and handguard that are made from a single piece of aerospace grade aluminum. The barrel is held in place...

LMT Defense - MRP-L MLOK 9.25" AR15 Upper Receiver - #L7X1A The patented LMT monolithic rail platform (MRP) upper receiver, has a receiver and handguard that are made from a single piece of aerospace grade aluminum. The barrel is held in place with a...

LMT Defense - MRP-L Quad Rail 9.25" AR15 Upper Receiver - #L7S1A The patented LMT Monolithic Rail Platform, MRP™ upper receiver. The receiver and handguard are made from a single piece of forged aerospace aluminum. The barrel is held in place with...