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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SUREFIRE WARDEN/WARCOMP - BLACK - 4 PRONG COMBO BLK4PRGKITCOMBO
Surefire
$597.95The SureFire WARDEN/WARCOMP 4-Prong Combo Kit — Black (BLK4PRGKITCOMBO) is a bundle that combines SureFire's Warden blast regulator with a 4-prong flash hider adapter — providing everything needed to...$597.95 -
Out of stock
SUREFIRE WARDEN/WARCOMP - DE - 4 PRONG COMBO #DE4PRGKITCOMBO
Surefire
$1,799.00This combo includes the following: (1) Surefire Warden 5.56/7.62 Blast Regulator for SOCOM Muzzle Device$1,799.00 -
Out of stock
SUREFIRE WARDEN/WARCOMP - DE - 3 PRONG COMBO #DE3PRGKITCOMBO
Surefire
$1,799.00This combo includes the following: (1) Surefire Warden 5.56/7.62 Blast Regulator for SOCOM Muzzle Device$1,799.00 -
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...Now: $799.99Was: $825.00 -
ARISAKA - MCX Zero Retention Clamp - ZRC-MI-300-SLIM
Arisaka
$49.00The Patent Pending Arisaka Zero Retention Clamp (ZRC) greatly reduces zero shift for lasers and iron sights that are mounted on the handguard of the MCX Virtus and Spear LT. This version is designed...$49.00 -
Arisaka - Rail Slider LRF/Spotter Adapter - RS-LRFSPOT
Arisaka
$20.00The LRF/Spotter Adapter is the utility piece of the Arisaka Rail Slider System. It is intended to be used with the Rail Slider on tripods, and is designed to be attached to any shooting accessory...$20.00 -
Arisaka - Rail Slider Barricade Stop - RS-BARRICADE
Arisaka
$45.00The Rail Slider Barricade Stop is an ARMS 17S compatible meat tenderizer and QD sling swivel socket which is sandwiched between the Arisaka Rail Slider and your bipod. The pointy end has plenty of...$45.00 -
ARISAKA - MCX Zero Retention Clamp - Fits Sig Sauer MCX - LT Standard Handguard ZRC-SPEAR-LT
Arisaka
$49.00The Patent Pending Arisaka Zero Retention Clamp (ZRC) greatly reduces zero shift for lasers and iron sights that are mounted on the handguard of the MCX Virtus and Spear LT. This version is designed...$49.00 -
Arisaka - Hand Stops HS-M
Arisaka
$30.00 - $35.00The Patent Pending Arisaka Hand Stop is a continuation of Arisaka's low profile, minimal control accessories. The primary goal of this accessory is to aid the user in pulling their rifle into their...$30.00 - $35.00 -
On Sale
B5 Systems Type-22 P Polymer Grip - Coyote Brown - Milspec AR PGR-1454
B5 Systems
Now: $19.00Was: $20.00The B5 Systems Type 22 P Polymer Grip in Coyote Brown (PGR-1454) is a premium AR-15 pistol grip engineered for optimal ergonomics, durability, and functionality. The Type 22 P features an aggressive...Now: $19.00Was: $20.00 -
Out of stockOn Sale
B5 Systems Type-22 P Polymer Grip - Black Milspec AR #PGR-1452
B5 Systems
Now: $19.00Was: $20.00This is a new B5 Systems Type 22 P grip compatible with AR pattern firearms. The B5 Systems Type 22 P-Grip offers an increased vertical grip angle to improve ergonomics and ensure proper trigger...Now: $19.00Was: $20.00 -
Out of stockOn Sale
B5 Systems - Type-23 P Polymer Grip - Coyote Brown - Milspec AR - #PGR-1126
B5 Systems
MSRP: $20.00Now: $19.00Was: $20.00This is a new B5 Systems Type 23 P grip compatible with AR pattern firearms. The B5 Systems Type 23 P-Grip offers an increased vertical grip angle and extended tang to improve ergonomics and ensure...MSRP: $20.00Now: $19.00Was: $20.00