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
Midwest Industries, Light Weight M-LOK Handguard, Fits AR-15 Rifles, 12.625" Free Float Handguard, Wrench and Mounting Hardware Included MI-CRLW12.625
Midwest Industries
Now: $199.95Was: $209.95The Midwest Industries Combat Rail Lightweight Series Handguard is a 1-piece design that features M-LOK accessory mounting slots along its length and short Picatinny rail sections at the 12 o'clock...Now: $199.95Was: $209.95 -
Trijicon - MRO® (Miniature Rifle Optic) - MRO-C-2200003
Trijicon
$605.00Product Description: The Trijicon MRO® (Miniature Rifle Optic) MRO-C-2200003 is a game-changer in the world of reflex sights. Built to deliver lightning-fast target acquisition, this miniature...$605.00 -
Out of stock
Trijicon MRO® Miniature Rifle Optic - #MRO-C-2200028
Trijicon
$641.00The Trijicon MRO® Miniature Rifle Optic is a sealed miniature reflex sight designed for use on rifles, carbines, and shotguns to deliver rapid target acquisition. Its large aperture and tapered...$641.00 -
Out of stock
Trijicon MRO® Miniature Rifle Optic - #MRO-C-2200031
Trijicon
$704.00The Trijicon MRO (Miniature Rifle Optic) is a sealed miniature reflex sight designed for rifles, carbines, and shotguns, optimized for rapid target acquisition. Its large aperture and tapered light...$704.00 -
On Sale
Spike's Tactical - Forged Charging Handle - Black Finish SUH100F
Spike's Tactical
Now: $22.50Was: $25.00Standard AR-15 charging handle compatible with all Spike's upper options. Forged 7075 T6 Aluminum Mil-Spec Type-III Hardcoat AnodizedNow: $22.50Was: $25.00 -
Trijicon, RMRcc, Adapter, Fits S&W M&P Shield OR, Springfield Hellcat OSP, Glock 43X MOS and 48MOS, Black Color AC32092
Trijicon
$72.00Trijicon, RMRcc, Adapter, Fits S&W M&P Shield OR, Springfield Hellcat OSP, Glock 43X MOS and 48MOS, Black Color$72.00 -
Out of stockOn Sale
Holosun Technologies - EPS MRS Reflex Sight - #EPS-GR-MRS
Holosun
MSRP: $505.87Now: $429.99Was: $505.87Holosun Technologies, EPS MRS, Reflex Sight, Multiple Reticle, 32 MOA Circle, 2 MOA Green Dot, Aluminum Housing, Matte Finish, Black, Solar with Internal Battery The EPS is a compact enclosed...MSRP: $505.87Now: $429.99Was: $505.87 -
CANIK, MC9 Magazine, 9MM, 12 Rounds, Fits Canik MC9, Matte Finish, Black, Includes Black Finger Rest Baseplate and Flush Baseplate MA2277
Canik
$36.99Canik's MC9 series magazines are a standard factory replacement magazine, with durable steel construction the MC9 series magazines ensure flawless function and long-term reliability in your firearm...$36.99 -
Out of stock
Sig Sauer - MPX G2 8" Barrel - 9MM - #CALX-MPX-8B-9-G2
Sig Sauer
$699.99Sig Sauer MPX G2 9mm Cal-X Kit, 8" Barrel. Produced from sturdy steel, this assembled Cal-X kit barrel is for the MPX G2 platform of rifle/pistols chambered in 9mm. The barrel features a length of 8"...$699.99 -
Out of stock
Sig Sauer - MCX/MPX Folding Stock - Minimalist Plus - Black - #STOCK-X-FOLD-PLUS-BLK
Sig Sauer
$199.99SIG SAUER factory aluminum minimalist plus, folding stock installs easily on your MCX/MPX via the receiver's 1913/picatinny interface. Overall length - 9"Overall height - 4.5"Butt-pad width - ...$199.99 -
On Sale
Sig Sauer - P365 Spectre Comp Optics Ready 3.1" Slide Assembly - 8901047
Sig Sauer
MSRP: $499.99Now: $414.99Was: $499.99The Sig Sauer P365 Spectre Comp Optics Ready 3.1" Slide Assembly (8901047) is a drop-in, complete slide upgrade for P365 pistols, featuring a built-in compensator integrated into the slide for...MSRP: $499.99Now: $414.99Was: $499.99 -
Out of stockOn Sale
Reptilia RECC-E Carbine Length AR-15 Stock - FDE #100-142
Reptilia
Now: $143.96Was: $159.95Introducing the RECCE Carbine Stock by Reptilia! After more than two years of development and testing, Reptilia is proud to announce the RECCE Stock for AR15/M16 and AR10/SR25 pattern rifles...Now: $143.96Was: $159.95