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 stock
Knight's Armament - Aimpoint Micro NVG High Rise Mount w/1913 - #32422
Knights Armament Company
$300.00Aimpoint Micro NVG High Rise Mount By lifting the optic up higher you can clear lights, lasers and any other items that can obstruct your sight picture. With our new Aimpoint Micro NVG mount, we push...$300.00 -
Out of stockOn Sale
Knight's Armament - 5.56 Shroud Suppressor 6" - #118957-2-FDE
Knights Armament Company
Now: $224.44Was: $236.25The KAC 6” Suppressor Shroud is engineered specifically for the CRS QDC 5.56 Suppressor. Suppressor shrouds offer multiple advantages, including reducing heat and IR signatures, minimizing mirage,...Now: $224.44Was: $236.25 -
Out of stockOn Sale
Gemtech - Integra M&P15-22 17.5" Barrel Suppressed Upper - #12568
Gemtech
MSRP: $654.00Now: $621.30Was: $654.00Ultimate sound suppression for the M&P15-22 platform is now possible with the new Gemtech Integra 15-22. They have expanded the Integra line and created an experience you have to try to believe. The...MSRP: $654.00Now: $621.30Was: $654.00 -
Out of stock
Insight Technology - DOD Surplus M3X FDE Tactical Illuminator - #M3X/SU-233
Used
$400.00Insight Technologies M3X/SU-233 Light is engineered to military specifications, utilizing technology currently in use by U.S. special operations. This compact, lightweight flashlight is crafted for...$400.00 -
Out of stock
LaRue Tactical - DOD Surplus QD ACOG Mount - #LT799
LaRue Tactical
$125.00This is a new old stock government surplus LaRue Tactical LT799 locking QD ACOG mount. With these items being military surplus we received both the NSN number which is 1005-01-606-1847 and the DTID...$125.00 -
Out of stock
$185.99 -
Out of stock
Stern Defense - RAB-AD Mini Rapid Attach Buttstock Adapter - #RABADMINID1M
Stern Defense
$139.99Stern Defense Rapid Attach Mini buttstock adaptor compatible with AR pattern buffer tube stocks. The Rapid Attach Buttstock Adapter Mini allows you to greatly reduce the length of your firearm for...$139.99 -
Out of stock
Colt - Mil-Spec BCG 223Rem/556NATO - #SP64028
Colt
$199.99Factory Colt bolt carrier assembly for your AR15, M16 or M4 is the only bolt carrier manufactured to truly meet and exceed all Mil Spec standards. Compatible with full-auto or semi-auto receivers...$199.99 -
Out of stock
Heckler & Koch - AR-15/HK416 Carbine Buffer Tube black - 227474
Heckler & Koch
$45.00The Heckler & Koch AR-15/HK416 Carbine Buffer Tube — Black (HK PN: 227474) is the genuine HK factory mil-spec carbine buffer tube (receiver extension) for HK416 and compatible AR-15/M4 pattern rifles...$45.00 -
Radian Weapons - Raptor SD Ambidextrous Charging Handle - R0006
Radian Weapons
$124.95The silencer-optimized Raptor-SD features a ported shaft designed to redirect gasses down and forward, away from the shooter's face when shooting suppressed. Its ambidextrous design allows rapid palm...$124.95 -
Out of stock
Magpul - Rail Sling Attachment Fits ASAP Sling Plate - #MAG502-BLK
Magpul Industries
$28.45The RSA provides a low profile forward sling attachment point for the Magpul MS2 or MS3 and other clip-in systems. Made from nitrocarburized steel for wear and corrosion resistance, the RSA...$28.45 -
Out of stock
Spuhr Aimpoint T-2 Magnifier Mount H57mm/2.25" PIC - #RDF-20225K
Spuhr
$464.99The world's toughest Red Dot Sight mount - the preferred choice by the elite teams. Models avail$464.99