Gun Parts
Welcome to the Gun Parts superstore at Boss Firearms Company, LLC. Whether you are undertaking a custom precision build, performing routine armorer maintenance, or upgrading an existing platform, we stock the high-performance components you need. As an authorized dealer for premium OEM and aftermarket manufacturers, we provide everything from stripped receivers and match-grade triggers to enhanced bolt carrier groups (BCGs) and duty-ready barrels for rifles, handguns, and shotguns.
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Out of stockOn 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...Now: $27.55Was: $29.00 -
Out of stockOn Sale
Suppressor - SLX 5.56MM 11.5IN Upper Receiver SURG - #UAMCXA-SURG-BUNDLE
Sig Sauer
Now: $4,799.99Was: $5,049.94This is a new Sig Sauer MCX-SURG complete suppressed upper receiver chambered for 5.56 NATO bundled with an MCX SPEAR pistol lower receiver. The MCX-SURG Upgrade Kit was specifically engineered as a...Now: $4,799.99Was: $5,049.94 -
Volquartsen - Firefly Bolt 2.0 - Upgrade Your Ruger 10/22 - #VF10FY2
Volquartsen
MSRP: $170.00$161.00If you shoot subsonic 22 LR, the Firefly Bolt is a must-have. The Firefly Bolt upgrades your Ruger® 10/22® for optimal subsonic performance. This CNC-machined, Type III hard-anodized aluminum bolt is...MSRP: $170.00$161.00 -
Out of stockOn Sale
Forward Controls Design - Quad Rail 6.7" - #RHF-6.7
Forward Controls Design, Inc
Now: $166.25Was: $175.00RHF (Railed Handguard, Forward Controls) is based on the superb CMT UHPR Mod2, with full length 1913 rails at 12 o'clock, and MLOK at 3, 6, and 9 o'clock. Â Since its introduction in 2018, RHF has...Now: $166.25Was: $175.00 -
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...$35.00 -
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...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...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...MSRP: $42.00$39.99 -
AB Suppressor - Raptor Muzzle Thread Adapter - #TA-5/8-24
AB Suppressor
$26.00Ab Suppressor TA-5/8-24 Raptor Muzzle Thread Adapter 5/8"x24 to 1/2"x28 to 17-4 PH - A thread conversion piece that converts a 5/8"x24 thread pitch to 1/2 x 28. Each adapter is machined with all...$26.00 -
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...MSRP: $89.00Now: $84.55Was: $89.00 -
Out of stock
VKTR Industries 5.56 Combat Match Bolt Assembly - Precision Machined 9310 Alloy Steel V-2006-0701-001-RP
VKTR Industries
$149.00The VK Combat Match Bolt offers unyielding combat$149.00 -
Out of stock
VKTR - Heavy Duty Buffer Retainer - #V-4001-0301-002-RP
VKTR Industries
$15.00Patented design with a precisely angled strike face that corresponds to the vertical plane of the buffer assembly giving greater area of surface contact. These are the last retaining pins you will...$15.00