AR-15 Parts
Shop our extensive inventory of AR-15 parts and modern sporting rifle (MSR) components. From fully assembled MIL-SPEC upper receivers and enhanced lower parts kits to free-float M-LOK handguards and ambidextrous controls, we carry the critical components required for duty, defense, and custom builds.
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Out of stock
LMT Defense- Purchase the MRP-L Quad Rail 13.25" AR15 Upper Receiver #L7RA1A get the Lower Receiver #M7SL for FREE
LMT Defense
$1,045.00Upper Receiver: 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...$1,045.00 -
LMT Defense- Purchase the MRP-L Quad Rail 9.25" AR15 Upper Receiver #L7S1A get the Lower Receiver #M7SL for FREE
LMT Defense
$989.00Upper Receiver: 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...$989.00 -
Out of stock
LMT Defense- Purchase the MRP-L Compact Length MLOK 7.25" AR15 Upper Receiver #L7NX1A get the Lower Receiver #M7SL for FREE
LMT Defense
$989.00Upper Receiver: The LMT L7NX1A CQB Receiver is a bare monolithic MLOK upper receiver that fits intermediate-caliber cartridges with barrels between 10.5” and 18”. Additionally, this new model...$989.00 -
LMT Defense- Purchase the MRP-L MLOK 9.25" AR15 Upper Receiver #L7X1A get the Lower Receiver #M7SL for FREE
LMT Defense
$989.00Upper Receiver: 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...$989.00 -
Out of stock
LMT Defense- Purchase the MRP-L MLOCK 13.25" AR15 Upper Receiver #L7Y1A get the Lower Receiver #M7SL for FREE
LMT Defense
$1,045.00Upper Receiver: 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...$1,045.00 -
Out of stock
Ruger - 10/22 Stripped Aluminum Receiver - SCU-0129
Ruger
$65.00This is a new Ruger factor stripped aluminum receiver compatible with 10/22 pattern firearms. Black Stripped Made in the USA Note: These are stripped receivers so they will not come with any...$65.00 -
Out of stock
Knight's Armament - Aimpoint Micro 45° Offset Rail Mount - #115601
Knights Armament Company
MSRP: $163.72$156.43The KAC 45 Degree Offset Aimpoint Micro Mount is intended to be attached to either the 3 o’clock or 9 o’clock rail position, placing the red dot to the side of a primary optic at a 45-degree angle...MSRP: $163.72$156.43 -
Out of stockOn Sale
LMT Defense 5.56mm 14.5" Piston MRP Barrel Assembly
LMT Defense
Now: $695.70Was: $716.85Lewis Machine & Tool piston operated 14.5-inch MRP barrel chambered for .223/5.56mm. It features a 1/2x28 threaded A2 birdcage flash hider, two-position adjustable gas block for suppressed and...Now: $695.70Was: $716.85 -
Out of stock
LMT Defense 5.56 Full Auto Piston Bolt Carrier Group - L7D3CP
LMT Defense
$468.00This is a new Lewis Machine & Tool 5.56 piston AR15 bolt carrier group for use in piston-operated systems. It features optimization for use in short-barreled rifles.$468.00 -
BT Atlas - V8 Atlas Bipod - BT10
BT Atlas
$299.95The BT10 V8 Atlas Bipod mounts directly to any 1913 style Picatinny rail via a low profile two screw clamp assembly. It is comprised of 6061-T6 aluminum that is Mil-Spec Type III hard coat anodized...$299.95 -
Out of stock
Knight's Armament - Like New 5.56 QDC 3-Prong Flash Suppressor Kit - 1/2"-28 TPI - 30555-Like-New
Knights Armament Company
$89.00These are in like-new condition, they were new rifle takeoffs. The KAC 3-Prong Flash Eliminator is an extremely effective flash suppressor design that also serves as a platform for attaching a...$89.00 -
Out of stock
Knight's Armament - DOD Surplus M16 M5 RAS Forend Assembly w/ No Rib Rail Panels - #98065-1-DOD
Knights Armament Company
$400.00DOD Surplus Stock KAC M5 RAS (Rail Adapter System) was developed for use on the US military's M16A4, and with hundreds of thousands of rails issued to date, it is one of the most battle proven...$400.00