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 stockOn Sale
LMT Defense - 7.62 NATO barrel assembly 16" Stainless Steel - #LM308B216S
LMT Defense
MSRP: $893.00Now: $803.70Was: $828.00LMT AR-10 Barrel for use with the LMT MWS upper receivers. Specifications: 7.62 NATO / .308 16" Stainless steel 1:11.25" RH twist 5R cut Low profile gas block Straight gas tube A2 flash hiderMSRP: $893.00Now: $803.70Was: $828.00 -
Out of stock
Heckler & Koch - MR762 M-LOK Handguard Black - 51000224
Heckler & Koch
$257.00German manufactured Heckler & Koch M-LOK handguard for the HK MR762. It is 14.7 inches in length, black finish, Aluminum construction, and has a flat top picatinny rail and M-LOK attachment points.$257.00 -
Radian Weapons - Raptor Ambidextrous AR15 Charging Handle - R0001
Radian Weapons
$104.95The Raptor™ is truly revolutionary in design & function. From rapid palm “blading” or finger thumb charges of the weapon, the motion is fluid & fast from either strong or support side. Made in the USA from aircraft grade 7075...$104.95 -
Out of stock
Volquartsen - Summit Rifle Barreled Action .22 LR - VCB-LR-BA
Volquartsen
MSRP: $1,225.00$1,165.00The Volquartsen Summit bolt action is based on a concept originally developed by Primary Weapons Systems. The Volquartsen Summit represents the combination of their innovative design and 40+ years of our own rimfire experience. Designed for both...MSRP: $1,225.00$1,165.00 -
On Sale
B5 Systems Type 22/Type23 P Grip Plug - Coyote Brown GRP-1459
B5 Systems
Now: $9.98Was: $10.50The B5 Systems Type 22/Type 23 P Grip Plug in Coyote Brown (GRP-1459) is a precision-molded polymer plug designed to fill the storage cavity in B5 Systems' Type 22 and Type 23 P-Grip pistol grips. This plug seals the internal storage compartment for a...Now: $9.98Was: $10.50 -
Forward Controls Design - Billet 7075 Ejection Port Cover - FCD-EPC
Forward Controls Design, Inc
MSRP: $50.00$47.50The Forward Controls Design Billet 7075 Ejection Port Cover (FCD-EPC) is a precision-machined billet aluminum replacement for the standard stamped steel AR-15 ejection port dust cover. FCD machines the EPC from 7075-T6 aerospace-grade aluminum —...MSRP: $50.00$47.50 -
Forward Controls Design - Aimpoint Acro Glock Optics Platform - OPF-G-ACRO
Forward Controls Design, Inc
MSRP: $80.00$76.00The Forward Controls Design Aimpoint ACRO Glock Optics Platform (OPF-G-ACRO) is FCD's precision-machined optic mounting plate for the Aimpoint ACRO P-1/P-2 red dot sight on Glock pistols (full-size and compact). The OPF-G (Optic Platform, Forward...MSRP: $80.00$76.00 -
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. Designed at the request of a military end user, the RECCE...Now: $143.96Was: $159.95 -
Out of stockOn Sale
Reptilia RECC-E Carbine Length AR-15 Stock - Black #100-141
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. Designed at the request of a military end user, the RECCE...Now: $143.96Was: $159.95 -
On Sale
Magpul MOE+ Grip for AR rifles with storage compartment MAG416-BLK
Magpul Industries
MSRP: $24.95Now: $23.70Was: $24.95The Magpul MOE+ Grip for AR Rifles with Storage (MAG416-BLK) is Magpul's enhanced version of the MOE pistol grip, featuring Magpul's proprietary overmolded rubber panels on the front and back straps for maximum grip surface traction. The MOE+ provides...MSRP: $24.95Now: $23.70Was: $24.95 -
ProMag, Magazine, Fits Canik TP9, 9MM, 32 Rounds, Steel, Blued Finish CAN-A3
ProMag
$34.99ProMag magazines are made in the USA and backed by a lifetime guarantee against manufacturer's defects. Magazine springs are precision wound using heat-treated chrome silicon wire and each and every step of the assembly process is checked and double...$34.99 -
Out of stockOn Sale
LMT Defense - 7.62 NATO Barrel Assembly 18" Stainless Steel - #LM308B218S
LMT Defense
MSRP: $947.00Now: $852.30Was: $877.95LMT Defense 18″ stainless steel 1:11.25″ RH 5R cut 7.62×51 barrel for MWS upper receivers. Includes low profile gas block, straight gas tube, A2 flash hider. SPECS Weight: 3.89 lbs Barrel Length: 18 in / 457 mm Barrel Material:...MSRP: $947.00Now: $852.30Was: $877.95