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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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...$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...$38.70 -
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...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...MSRP: $79.95Now: $75.95Was: $79.95 -
On Sale
Magpul Bipod Hard Anodized 6061 T-6 Aluminum Fits A.R.M.S And 17S Style Rails 6.3"-10.3" Length Black MAG951-BLK
Magpul Industries
Now: $109.20Was: $114.95The Magpul Bipod — Hard Anodized 6061-T6 Aluminum (MAG951-BLK) is Magpul's precision-machined aluminum bipod for rifles equipped with ARMS-style and 17S-style rails, providing a 6.3" to 10.3" height...Now: $109.20Was: $114.95 -
On Sale
Magpul PMAG 15 round Glock 19 magazine MAG550-BLK
Magpul Industries
Now: $14.20Was: $14.95The Magpul PMAG 15 GL9 — Glock 9mm 15-Round Magazine (MAG550-BLK) is Magpul's 15-round PMAG for Glock 9mm double-stack pistols (Glock 17, 19, 26, and compatible). Featuring Magpul's signature PMAG...Now: $14.20Was: $14.95 -
On Sale
Magpul MOE vertical grip - Fits MLOK handguards MAG597-BLK
Magpul Industries
Now: $21.80Was: $22.95The Magpul MOE M-LOK Vertical Grip (MAG597-BLK) is Magpul's standard vertical foregrip designed specifically for M-LOK compatible handguards. The MOE Vertical Grip M-LOK attaches directly to any...Now: $21.80Was: $22.95 -
On Sale
Magpul Quick Detach sling swivel MAG540-BLK
Magpul Industries
Now: $12.38Was: $14.95The Magpul QD Push-Button Sling Swivel (MAG540-BLK) is Magpul's quick-detach push-button sling swivel for use with QD sockets on AR-15/M4 stocks, endplates, and handguard attachment points. The...Now: $12.38Was: $14.95 -
On Sale
Magpul PMAG30 GEN M3 With Window 5.56NATO 30 round magazine MAG556-BLK
Magpul Industries
MSRP: $17.95Now: $17.05Was: $17.95The Magpul PMAG 30 AR/M4 GEN M3 Windowed .223/5.56 Magazine — Black (MAG556-BLK) is Magpul's popular 30-round GEN M3 PMAG with a clear polymer window panel on one side for at-a-glance round count...MSRP: $17.95Now: $17.05Was: $17.95 -
On Sale
Surefire - 300 lumen weapon light - XC2-B-RD
Surefire
Now: $494.00Was: $549.00The SureFire XC2-B 300 Lumen Weapon Light with Red Laser (XC2-B-RD) is SureFire's ultra-compact handgun light/red laser combo designed for compact and subcompact pistols with rails. The XC2 series is...Now: $494.00Was: $549.00 -
On Sale
Unity Tactical fusion folding sight
Unity Tactical
MSRP: $96.00Now: $87.00Was: $96.00The Unity Tactical Fusion Folding Sight (FUS-S1B) is a precision-machined, foldable backup iron sight (BUIS) system from Unity Tactical designed for use with AR-15, M4, and similar rifles. The Fusion...MSRP: $96.00Now: $87.00Was: $96.00 -
Knight's Armament - Rib Rail Panel - 95047
Knights Armament Company
MSRP: $27.99$26.74The Knight's Armament Rib Rail Panel (KAC PN: 95047) is KAC's ribbed polymer rail panel for covering unused slots on KAC RAS (Rail Adapter System) Picatinny quad-rail handguards. The rib design...MSRP: $27.99$26.74