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
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 -
Out of stock
SureFire M640DF Scout Light Pro Dual Fuel LED Weapon Light #M640DF-BK-PRO
Surefire
$341.00Quickly locate targets in low-light environments with a SureFire M640DF Dual Fuel Scout Light Pro 1500 Lumen LED Weapon Light. These Gun Mounted Flashlights by SureFire feature a low-profile mount...$341.00 -
Out of stockOn Sale
LMT - 9″ 300blk Barrel w/ A2 Flash Hider - #L7BW1B
LMT Defense
MSRP: $598.00Now: $538.20Was: $598.00The 9″ MRP .300BLK barrel is made from high-quality materials with a 1:7 twist for superior accuracy. It features a low-profile gas block firmly attached to prevent leakage or slipping and a straight...MSRP: $598.00Now: $538.20Was: $598.00 -
Out of stockOn Sale
Forward Controls Design - Quad Rail 9.5" - #RHF4-9.5
Forward Controls Design, Inc
Now: $250.85Was: $264.05We have long been fans of the classic KAC RAS since the early 2000s. Throughout the years, we've seen trends for lighter, small diameter, and rails-only-where-you-want-them hand guards, this was...Now: $250.85Was: $264.05 -
Forward Controls Design - MARS-H Pivot and Take Down Pins Set - PF-040
Forward Controls Design, Inc
MSRP: $40.00$38.00The Forward Controls Design MARS-H Pivot & Takedown Pins Set (PF-040 MARS-H) is FCD's precision enhanced pivot and takedown pin set specifically dimensioned for the LMT MARS-H (heavy/.308/AR-10)...MSRP: $40.00$38.00 -
Out of stock
Forward Controls Design - AR-15 Pivot & Take Down Pins Set - PF-040
Forward Controls Design, Inc
MSRP: $35.00$33.25The Forward Controls Design AR-15 Pivot & Takedown Pins Set (PF-040) is FCD's enhanced replacement pivot and takedown pin set for AR-15 lower receivers. FCD's PF-040 pins are machined to tighter...MSRP: $35.00$33.25 -
Forward Controls Design - Trigger Guard - TGF Winter
Forward Controls Design, Inc
MSRP: $25.00$23.75The Forward Controls Design Trigger Guard — Winter (TGF Winter) is FCD's enhanced winter trigger guard for AR-15/M16 pattern lower receivers. The TGF (Trigger Guard, Forward Controls) Winter variant...MSRP: $25.00$23.75 -
Out of stockOn Sale
Suppressor - SLX 5.56MM 11.5IN Upper Receiver SURG - #UAMCXA-SURG
Sig Sauer
MSRP: $4,599.99Now: $4,099.99Was: $4,599.99MCX-SURG - Suppressed Upper Receiver Group - ***These are currently shipping in waves, and orders will be shipped out in the order they were received.*** SIG SAUERÂ is proud to introduce...MSRP: $4,599.99Now: $4,099.99Was: $4,599.99Qty in Cart: 0Quantity:Price:MSRP: $4,599.99Now: $4,099.99Was: $4,599.99Subtotal: -
Forward Controls Design - Augmented Bolt Catch - ABC-R V3
Forward Controls Design, Inc
MSRP: $62.00$58.90The Forward Controls Design Augmented Bolt Catch — ABC/R V3 (ABC/R v3) is FCD's purpose-designed enhanced bolt catch and release for AR-15/M16 receivers equipped with ambidextrous magazine releases...MSRP: $62.00$58.90 -
Out of stockOn Sale
Dead Air Armament Key-Mo Hub Mount (1.375x24) #DA428
Dead Air Armament
Now: $199.00Was: $249.00If you're one of the many owners of a SilencerCo(R) Omega and have ever longed for a simpler and more reliable mount, your salvation is here. The Key-Mo(TM) also gives your SilencerCo Omega a...Now: $199.00Was: $249.00 -
Forward Controls Design - Secure Staking BCG - SBCG
Forward Controls Design, Inc
MSRP: $275.00$261.25The Forward Controls Design Secure Staking Bolt Carrier Group (SBCG) is FCD's premium enhanced bolt carrier group for AR-15/M16 5.56 NATO platforms. The SBCG (Secure-staking BCG, Forward Controls)...MSRP: $275.00$261.25 -
Out of stock
SUREFIRE WARDEN/WARCOMP - BLACK - 3 PRONG COMBO #BLK3PRGKITCOMBO
Surefire
$377.00This combo includes the following: (1) Surefire Warden Fast-Attach Blast Regulator - Black Non-NFA device directs blast concussion away from areas left and right of shooter's firing...$377.00