Parts & Accessories
Shop AR-15 and AR-10 parts and accessories from Boss Firearms. Our parts inventory includes LMT upper and lower receivers, Proof Research carbon fiber barrels, Forward Controls Design components, Geissele triggers, Magpul furniture, BCM parts, SureFire lights, and much more. Whether you're building a new rifle or upgrading your current setup, we carry the hard-to-find components trusted by military, law enforcement, and serious civilian shooters.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
LMT Defense - 7.62x51mm 16" LW Chrome Lined MWS Barrel Assembly - R-LM308B116
LMT Defense
MSRP: $784.00$727.20The LMT Defense 7.62×51mm 16" LW Chrome Lined MWS Barrel Assembly (R-LM308B116) is the lightweight version of LMT's standard 16" .308 MWS barrel, engineered to reduce overall rifle weight without...MSRP: $784.00$727.20 -
AirTronic USA - MIL-SPEC Carbine Length M203 Handguard/Heatshield
AirTronic USA
$70.00This is a new AirTronic USA, mil-spec, carbine length, M203 handguard/heatshield. The internal is formed to conform to the contour of the barrel of an M16 rifle and the external is formed to a...$70.00 -
Forward Controls Design - 3 Prong Flash Suppressor - FCD-3P15
Forward Controls Design, Inc
MSRP: $90.00$85.50The Forward Controls Design 3-Prong Flash Suppressor / Plan B Mount (FCD-3P15) is a multi-functional muzzle device designed in collaboration with Revival Defense — functioning as both a standalone...MSRP: $90.00$85.50 -
iRayUSA - RICO MICRO PICTAIL Helmet/Weapon Shoe AC52
iRayUSA
$129.00The PICTAIL mounting system is the combination of a standard dovetail shoe commonly used on helmet mountable night vision optics and the MIL-STD-1913 picatinny rail used on weapons platforms. The...$129.00 -
iRayUSA - RICO MICRO MQD Mount AC36
iRayUSA
$199.00iRayUSA partnered with American Defense Manufacturing to produce the PICTAIL and MQD delivering ADM's gold standard picatinny mounting solution with an innovative lighter and faster dovetail design...$199.00 -
Forward Controls Design - MARS-H Pivot and Take Down Pins Set - PF-040
Forward Controls Design, Inc
MSRP: $40.00$38.00The Forward Controls Design MARS-H Pivot & Takedown Pins Set (PF-040 MARS-H) is FCD's precision enhanced pivot and takedown pin set specifically dimensioned for the LMT MARS-H (heavy/.308/AR-10)...MSRP: $40.00$38.00 -
Forward Controls Design - Augmented Bolt Catch - ABC-R V3
Forward Controls Design, Inc
MSRP: $62.00$58.90The Forward Controls Design Augmented Bolt Catch — ABC/R V3 (ABC/R v3) is FCD's purpose-designed enhanced bolt catch and release for AR-15/M16 receivers equipped with ambidextrous magazine releases...MSRP: $62.00$58.90 -
Radian Weapons - AR15 Extended Bolt Catch R0323
Radian Weapons
$29.95The Radian EBC is an enhanced bolt catch to increase the user's access to the bolt lock and release function. Features enlarged paddles and non-slip grooves for ease of manipulation.$29.95 -
VLTOR - 5-Position AK47 Receiver Extension w/ Storage Compartment - RE-47
Vltor Weapon Systems
MSRP: $98.95$98.06The VLTOR RE-47 5-Position AK47 Receiver Extension with Storage Compartment allows AK-47 pattern rifles to accept AR-15/M4 compatible collapsible stocks with a 5-position length-of-pull adjustment...MSRP: $98.95$98.06 -
VLTOR - 5-Position AR-15 Receiver Extension - RE-1
Vltor Weapon Systems
$51.95The VLTOR RE-1 5-Position Receiver Extension is a mil-spec diameter carbine buffer tube replacement for AR-15/M4 pattern rifles, providing the standard 5-position length of pull adjustment range in a...$51.95 -
Forward Controls Design - SIG MCX Ambidextrous Charging Handle - Black - #ACF-MCX
Forward Controls Design, Inc
MSRP: $120.00$114.00ACF-MCX is closely based on the AR15/M16 version of the original ACF. Like the factory SIG MCX charging handle, MCX-ACF has two latches. Design objectives: 1. A stronger, more durable ambidextrous...MSRP: $120.00$114.00 -
Q LLC - Cherry Bomb Muzzle Break - 5/8X24 - 7.62MM CB-5/8-24
Q LLC
$100.00The Cherry Bomb by Q is a Quickie Fast-Attach muzzle brake compatible with the THUNDER CHICKEN and trash PANDA silencers by Q. It features their taper mount shoulder to align with their barrels and...$100.00