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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KAC Knights Armament Company URX 4, 5.56 M-LOK 14.5" Forend Kit 32304-1450
Knights Armament Company
$373.91The KAC Knight's Armament URX 4, 5.56mm M-LOK 14.5" Forend Kit (KAC PN: 32304-1450) is KAC's premier free-float M-LOK handguard for AR-15/M4/SR-15 pattern rifles. The URX 4 is fully modular,...$373.91 -
Out of stock
Thunder Beast - CB Series .30 Cal Non Timed Muzzle Brake 5/8x24 30CB-NTB 5/8-24
Thunder Beast Arms Corp
$125.00The Thunder Beast Arms CB Series .30 Caliber Non-Timed Muzzle Brake with 5/8x24 threads (30CB-NTB 5/8-24) is the non-timed version of the CB muzzle brake host adapter for .30 caliber rifles. Unlike...$125.00 -
Out of stock
TBAC Thunder Beast Arms Corp SR Series .338 Cal Non-Timed Muzzle Break #338SR-NTB
Thunder Beast Arms Corp
$145.00This is a new Thunder Beast Arms Corporation TBAC 338 SR Non-Timed Muzzle Brake. The SR mount's dual-locking system acts as a backup retention mechanism, preventing suppressor detachment under all...$145.00 -
Volquartsen Summit Rifle Barreled Action .22 LR VCB-0282
Volquartsen
$1,165.00The Volquartsen Summit .22 LR Barreled Action (VCB-0282) is Volquartsen's Summit precision .22 LR bolt-action sold as a barreled action only — the rifle without a stock — for shooters who want to...$1,165.00 -
Out of stock
FCD Forward Controls Design Bolt Catch Forward Biased Paddle Serrated
Forward Controls Design, Inc
$58.90The Forward Controls Design ABC/R (Augmented Bolt Catch/Release) features an angled, larger top paddle and a lower paddle with an increased surface area. It is purposefully designed for AR15/M16...$58.90 -
Out of stock
FCD Forward Controls Design Bolt Catch Rearward Biased Paddle Serrated
Forward Controls Design, Inc
$58.90The Forward Controls Design ABC/R (Augmented Bolt Catch/Release) is expertly crafted for AR15/M16 receivers with ambidextrous magazine releases. It features an angled, larger top paddle and a lower...$58.90 -
Out of stock
FCD Forward Controls Design 5.56 Bolt Catch Reward Biased Paddle Dimpled
Forward Controls Design, Inc
$58.90The Forward Controls Design ABC/R (Augmented Bolt Catch/Release) features an angled, larger top paddle and a lower paddle with an increased surface area. It is purposefully designed for AR15/M16...$58.90 -
Forward Controls Design Augmented Bolt Catch For LMT MARS-L Black
Forward Controls Design, Inc
$58.00The Forward Controls Design Augmented Bolt Catch for LMT MARS-L (ABC/R v3 MARS-L) is FCD's ABC/R v3 bolt catch specifically dimensioned and designed for use with the LMT MARS-L ambidextrous lower...$58.00 -
Out of stock
FCD Forward Controls Design Low Snag Forward Assist Serrated #LSFA
Forward Controls Design, Inc
$45.60The advent of the ambidextrous charging handle, along with other ambidextrous controls, is a boon for AR15/M16 users, but it is not without unintended consequences. The forward assist rim is in the...$45.60 -
FCD Forward Controls Design Magazine Release Button Serrated EMR-HC
Forward Controls Design, Inc
$16.15The Forward Controls Design Magazine Release Button — Serrated EMR-HC (EMR-HC) is FCD's heavy, raised-profile enhanced magazine release button with serrated texture for AR-15/M16 pattern lower...$16.15 -
FCD Forward Controls Design 6310XE 5/8x24 Flash Suppressor 6310XE
Forward Controls Design, Inc
$95.00The Forward Controls Design 6310XE Flash Suppressor / XENO Mount — 5/8x24 (6310XE) is FCD's 3-prong flash suppressor and XENO-compatible suppressor mount for .308/7.62x51mm and larger caliber rifles...$95.00 -
FCD Forward Controls Design Thread Protector, TPM Xeno
Forward Controls Design, Inc
$34.20The Forward Controls Design Thread Protector — TPM Xeno (TPM Xeno) is FCD's precision-machined muzzle thread protector compatible with the XENO/Plan B/Atlas suppressor mount system. The TPM (Thread...$34.20