Parts & Accessories
Shop AR-15 and AR-10 parts and accessories from Boss Firearms. Our parts inventory includes LMT upper and lower receivers, Proof Research carbon fiber barrels, Forward Controls Design components, Geissele triggers, Magpul furniture, BCM parts, SureFire lights, and much more. Whether you're building a new rifle or upgrading your current setup, we carry the hard-to-find components trusted by military, law enforcement, and serious civilian shooters.
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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 light path provide an expansive viewing area,...$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 path create an expansive viewing area, enhancing...$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 Anodized UPC 855713006982 Manufacturer Spike's Tactical Manufacturer Part...Now: $22.50Was: $25.00 -
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 pistol sight designed for full size pistols. The EPS...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. Fits Canik Mete MC9 Steel Construction 12 Round...$36.99 -
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 dramatically reduced muzzle rise and felt recoil during rapid...MSRP: $499.99Now: $414.99Was: $499.99 -
Dead Air Armament - KeyMo Flash Hider 1/2x28 RH - DA301
Dead Air Armament
$89.00The Dead Air Armament KeyMo Flash Hider 1/2x28 RH (DA301) is Dead Air's proprietary KeyMo muzzle device for 5.56mm/.223 rifles with 1/2x28 RH threading. The KeyMo Flash Hider simultaneously provides effective flash suppression and serves as the mounting...$89.00 -
Volquartsen - Recoil Buffer for 10/22 and 10/22 Magnum - VC10RB
Volquartsen
$12.38The Volquartsen Recoil Buffer for Ruger 10/22 and 10/22 Magnum (VC10RB) is Volquartsen's replacement recoil buffer for the Ruger 10/22 and 10/22 Magnum. The recoil buffer cushions the bolt's rearward travel, reducing the noise and impact of the bolt...$12.38 -
Volquartsen - Bolt Tune-Up Kit for Ruger 10/22 - VC10FE
Volquartsen
$38.70The Volquartsen Bolt Tune-Up Kit for Ruger 10/22 (VC10FE) is Volquartsen's precision bolt upgrade kit for the Ruger 10/22, containing components that improve the reliability and smoothness of the 10/22 bolt. The bolt tune-up kit typically includes...$38.70 -
Out of stock
Barrett - Soft Mount M82A1 & M107A1 Models Stainless - #13347
Barrett Firearms
$1,175.00This is a new Barret Firearms Soft mount compatible with 82A1 and M107A1 models. Designed exclusively for the Model 82A1/M107 series rifles, the Barrett Soft Mount attaches to the rifle’s lower receiver by the midlock pin. The rifle can then be...$1,175.00 -
On Sale
Magpul MOE SL Carbine Stock Fits AR-15, Mil-Spec FDE MAG347-FDE
Magpul Industries
Now: $61.70Was: $64.95The Magpul MOE SL Carbine Stock — Mil-Spec, FDE (MAG347-FDE) is Magpul's slim-line (SL) 6-position adjustable carbine stock for AR-15/M4 mil-spec buffer tubes, finished in FDE (Flat Dark Earth). The MOE SL features a sleeker, lower-profile design than...Now: $61.70Was: $64.95 -
On Sale
Magpul MS4 QDM Sling Fits AR Rifles Coyote Brown MAG953-COY
Magpul Industries
MSRP: $79.95Now: $75.95Was: $79.95The Magpul MS4 QDM Sling — Coyote Brown (MAG953-CB) is Magpul's versatile convertible two-point/one-point sling in Coyote Brown for FDE/coyote-configured AR-15/M4 rifles. All features of the standard MS4 QDM apply: quick conversion between two-point and...MSRP: $79.95Now: $75.95Was: $79.95