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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Forward Controls Design - VLTOR A5 Compatible Receiver Extension - RE5F
Forward Controls Design, Inc
MSRP: $60.00$57.50The Forward Controls Design AR Enhanced Magazine Release Button (EMR-H) is FCD's heavy-profile enhanced magazine release button for AR-15/M16-pattern lower receivers. The EMR-H (Enhanced Magazine...MSRP: $60.00$57.50 -
Forward Controls Design - Sling Adapter End Plate - ESF-H1
Forward Controls Design, Inc
$48.45The Forward Controls Design Sling Adapter End Plate (ESF-H1) is FCD's low-profile enhanced sling attachment end plate for AR-15/M16 carbine lower receivers. The ESF (End plate, Sling, Forward...$48.45 -
Volquartsen - Exact Edge Extractor for Remington 870 and 1100 - VCREM
Volquartsen
$26.10The Volquartsen Exact Edge Extractor for Remington 870 and 1100 (VCREM) is Volquartsen's precision extractor replacement for Remington 870 pump-action and 1100 semi-automatic shotguns. The Exact Edge...$26.10 -
Q LLC - QSERT Handguard for The Fix by Q - Clear Anodized Gray Finish QSERT HANDGUARD
Q LLC
$300.00Enhance your Q Fix rifle with the Q QSERT Handguard, designed for optimal performance and customization. Crafted from lightweight yet durable 6061-T6 Aluminum, this handguard is a testament to Q's...$300.00 -
CMMG AR15 223/5.56mm Complete Lower Parts Kit 55CA6C5
CMMG
$69.95Â All the parts you need to get started on your next AR15 build. Combine this kit with a buttstock kit to complete your lower group. All parts meet or exceed mil-spec$69.95 -
Aimpoint - Micro T-2 Red Dot Optic - 200198
Aimpoint
$1,108.00Meet the Aimpoint Micro T-2 Red Dot Optic – your ultimate companion for rugged, lightweight, and compact sighting needs. Crafted for demanding users, this optic boasts exceptional optical clarity and...$1,108.00 -
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 -
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 -
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 -
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 -
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...$89.00