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.
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Out of stockOn Sale
iRayUSA - BOLT TL35 V2 Thermal Weapon Sight 384x288 35mm - #TL35V2
iRayUSA
Now: $1,999.00Was: $2,699.00The InfiRay Outdoor BOLT TL35 V2 was designed for optimal use on any platform that demands flexible mounting options and increased eye relief. In addition to the features found on the original TL35, the TL35 V2 adds several highly requested features...Now: $1,999.00Was: $2,699.00 -
On Sale
B5 Systems Type 22 P-Grip - Multicam PGR-1135
B5 Systems
Now: $27.55Was: $29.00The B5 Systems Type 22 P-Grip in Multicam (PGR-1135) delivers the same premium ergonomics and built-in storage of the Type 22 P pistol grip in an embedded Multicam camouflage pattern. The Type 22 P's aggressive texture, ergonomic shooting angle, and...Now: $27.55Was: $29.00 -
Out of stockOn Sale
Forward Controls Design - Enhanced Mag Release Button - Ambidextrous - Dimpled Lever - #EMR-A, AA
Forward Controls Design, Inc
MSRP: $70.00Now: $59.50Was: $70.00EMR-A, AA was designed for TDP spec forged lower receivers, if your lower is billet with thick walls, or differ a great deal from TDP specs, please contact us regarding compatibility. EMR-A, AA is a long in development ambidextrous magazine...MSRP: $70.00Now: $59.50Was: $70.00 -
Out of stock
Picatinny Adaptor for SMG QD Endplate #U08-0093C01
LWRC
$35.00For those looking to add a picatinny stock to their SBR'd SMG this picatinny adaptor is the answer. Designed to perfectly mesh with the LWRCI SMG45 QD Endplate, this picatinny will screw directly to the endplate with provided screws. 2.125"...$35.00 -
Forward Controls Design - Sling Adapter End Plate - ESF-H FDE
Forward Controls Design, Inc
$62.70The Forward Controls Design Sling Adapter End Plate — FDE (ESF-H FDE) is FCD's enhanced QD sling socket end plate for AR-15/M16 carbine lower receivers, finished in FDE (Flat Dark Earth) for use with coyote, tan, or FDE configured rifles. The ESF (End...$62.70 -
Forward Controls Design - Low Snag Forward Assist Dimpled - LSFA-AA
Forward Controls Design, Inc
MSRP: $48.00$45.60The Forward Controls Design Low Snag Forward Assist — Dimpled (LSFA-AA) is FCD's most minimalist forward assist design for AR-15/M16 upper receivers. The LSFA (Low Snag Forward Assist, Forward Controls) takes the low-drag concept further than the LDFA by...MSRP: $48.00$45.60 -
Out of stock
Forward Controls Design - Low Drag Forward Assist - Dimpled - LDFA-AA
Forward Controls Design, Inc
MSRP: $42.00$39.99The Forward Controls Design Low Drag Forward Assist — Dimpled (LDFA-AA) is FCD's low-profile forward assist for AR-15/M16 upper receivers, featuring FCD's all-around dimpled texture pattern. Like the standard LDFA, the LDFA-AA dramatically reduces the...MSRP: $42.00$39.99 -
Forward Controls Design - Low Drag Forward Assist - LDFA
Forward Controls Design, Inc
MSRP: $42.00$39.99The Forward Controls Design Low Drag Forward Assist (LDFA) is FCD's sleek, redesigned forward assist for AR-15/M16 upper receivers. The standard AR-15 forward assist features a large, protruding serrated button that can snag on gear, kit, and clothing...MSRP: $42.00$39.99 -
Out of stockOn Sale
B5 Systems Bravo Stock - Woodland Camo #BRV-1184
B5 Systems
MSRP: $89.00Now: $84.55Was: $89.00The Bravo stock was created by B5 Systems as an improvement on their Enhanced SOPMOD stock. This stock is lighter, more compact and stronger with a host of desirable additions. An ergonomic cheek weld ensures a comfortable shooting experience, and fixed...MSRP: $89.00Now: $84.55Was: $89.00 -
Out of stock
Forward Controls Design - AR-15 Pivot & Take Down Pins Set - PF-040
Forward Controls Design, Inc
MSRP: $35.00$33.25The Forward Controls Design AR-15 Pivot & Takedown Pins Set (PF-040) is FCD's enhanced replacement pivot and takedown pin set for AR-15 lower receivers. FCD's PF-040 pins are machined to tighter tolerances than standard mil-spec pins, providing a...MSRP: $35.00$33.25 -
Out of stockOn Sale
LMT Defense - 243Win 20" Barrel Assembly - #LM243B220S
LMT Defense
Now: $765.10Was: $810.00LMT® 20″ stainless steel 1:10″ RH twist 243 Winchester barrel for MWS upper receivers. Includes low profile gas block, straight gas tube, A2 flash hider. SPECS Barrel Caliber: 243 Win Barrel Length: 20 in / 508 mm Barrel Material:...Now: $765.10Was: $810.00 -
Out of stockOn Sale
FOSTECH ORIGIN-12 12GA 30RD STEEL DRUM MAGAZINE BLACK #7015
Fostech
Now: $799.99Was: $825.00This is a new Fostech 30-round steel magazine compatible with the Origin model shotguns chambered in 12-gauge. The Origin 30 Round Drum is the perfect companion for your Origin-12 Shotgun. With a capacity to hold 30 rounds of 12 Gauge 2 3/4 shotgun...Now: $799.99Was: $825.00