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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On Sale
Barnes - VOR-TX 3030 Win Mag 150 gr 20/Box - 21535
Barnes
Now: $36.87Was: $45.99Loaded with the Barnes Triple-Shock X (TSX) Bullet, this round offers devastating results on varmints. The Barnes TSX bullet is made of 100% copper and contains no lead. When the bullet expands,...Now: $36.87Was: $45.99 -
LMT Defense - .308 Piston Bolt Carrier Group - R-LM308DPS
LMT Defense
MSRP: $762.00$706.50The LMT Defense .308 Piston Bolt Carrier Group (R-LM308DPS) is the large-frame 7.62x51mm NATO piston BCG designed for LMT's MRP-H piston-operated AR-10/MWS platform. Built with the same materials and...MSRP: $762.00$706.50 -
Out of stockOn Sale
B5 Systems - Bravo Stock Assembly Milspec Black Multicam - BRV-1421
B5 Systems
Now: $84.55Was: $89.00The B5 Systems Bravo Stock Assembly for AR Milspec buffer tubes in Black Multicam (BRV-1421) combines the enhanced ergonomics of the B5 Bravo stock with a tactical Multicam-patterned polymer finish...Now: $84.55Was: $89.00 -
Out of stockOn Sale
VLTOR - MPX 12” Handguard w/MLock System - #VWS-MPX-12
Vltor Weapon Systems
Now: $188.96Was: $209.95Lightweight Easy to install Direct replacement for factory hand guardNow: $188.96Was: $209.95 -
Out of stockOn Sale
VLTOR - SCAR Receiver Extension Stock Adaptor - #RE
Vltor Weapon Systems
Now: $168.26Was: $186.95The VLTOR SCAR Receiver Extension/ Stock Adapter provides a rock solid solution to installing a standard M4/AR15 collapsible stock onto the SCAR. This lightweight attachment is made in a variation...Now: $168.26Was: $186.95 -
Out of stock
VLTOR - SCAR Folding Stock - #VSS-11
Vltor Weapon Systems
$109.95This replacement module for the FN SCAR incorporates the same battle-proven enhancements from the VLTOR modstocks. The buttpad has been re-shaped to include a negative pitch for a more natural...$109.95 -
VLTOR - Extended Length AK47 Handguard W/ M-LOK System - #CMRD-AKM-E
Vltor Weapon Systems
$226.80The VLTOR CMRD AK Handguard is the first in many variations that VLTOR has planned for AK handguards. At this time it is offered in the “extended length” version but there will be lengths soon to...$226.80 -
Out of stock
SONS OF LIBERTY GUN WORKS - EAST INDIA STARTER KIT - 14.5” BARREL COMPLETE UPPER RECEIVER - 5.56 NATO - #EIC-14-5-CHF-556
Sons of Liberty Gunworks
MSRP: $575.00$546.25The East India Starter Kit is meant as a building block for any build you wish to do. It is built with Hidden high quality components. At Sons of Liberty Gun Works they always tell their customers,...MSRP: $575.00$546.25 -
Out of stock
SONS OF LIBERTY GUN WORKS - EAST INDIA STARTER KIT - 12.5” BARREL COMPLETE UPPER RECEIVER - 5.56 NATO - #EIC-12-5-CHF-556s
Sons of Liberty Gunworks
MSRP: $575.00$546.25The East India Starter Kit is meant as a building block for any build you wish to do. It is built with Hidden high quality components. At Sons of Liberty Gun Works they always tell their customers,...MSRP: $575.00$546.25 -
Out of stock
SONS OF LIBERTY GUN WORKS - EAST INDIA STARTER KIT - 11.5” BARREL COMPLETE UPPER RECEIVER - 5.56 NATO - #EIC-14-5-CHF-556
Sons of Liberty Gunworks
MSRP: $575.00$546.25The East India Starter Kit is meant as a building block for any build you wish to do. It is built with Hidden high quality components. At Sons of Liberty Gun Works they always tell their customers,...MSRP: $575.00$546.25 -
Out of stockOn Sale
SONS OF LIBERTY GUN WORKS - A5 BUFFER SYSTEM - #A5KIT
Sons of Liberty Gunworks
MSRP: $159.00Now: $151.00Was: $151.05The A5 System is the best buffer system on the market and their kit makes it even better with the inclusion of a Sprinco Green Spring, and B5 Systems End plate. Increase lock time and decrease felt...MSRP: $159.00Now: $151.00Was: $151.05 -
SONS OF LIBERTY GUN WORKS - STRIPPED UPPER RECEIVER - HARDCOAT TYPE III ANODIZED - UPPER-STRIPPED
Sons of Liberty Gunworks
$150.00Sons of Liberty Gun Works believes in Quality Mil-Spec or better parts. They believe there is no substitute for quality and that your gun should be built right the first time, ready for hard use...$150.00