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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
On Sale
Unity Tactical, fast LPVO Mount, 2.05" Optical Height, Compatible with 30mm Tube Size
Unity Tactical
MSRP: $369.00Now: $335.00Was: $369.00The Unity Tactical FAST LPVO Mount with 2.05" Optical Height for 30mm tube scopes (FST-S30205B) is a premium, precision-machined scope mount engineered to bring the optic axis to 2.05" above the bore...MSRP: $369.00Now: $335.00Was: $369.00 -
Volquartsen - Pistol Competition Kit for The Ruger MK IV 22/45 - VC4PCK
Volquartsen
$194.00The Volquartsen Pistol Competition Kit for Ruger MK IV 22/45 (VC4PCK) is Volquartsen's comprehensive competition upgrade kit for the Ruger Mark IV 22/45 pistol. The competition kit includes all the...$194.00 -
On Sale
KA-BAR Tanto 8" Fixed Blade with Nylon Sheath
KA-BAR Knives
Now: $99.68Was: $133.97The Tanto blade shape, of Asian influence, has a thick pointed blade that's good for penetration. Coupled with a glass-filled nylon sheath this knife is designed for the toughest of tasks. Â Hard...Now: $99.68Was: $133.97 -
KA-BAR USMC 7" Fixed Blade
KA-BAR Knives
$89.99The most famous fixed blade knife in the World. Â Our KA-BAR was designed to serve our troops during World War II and is still doing its job, with honors, 70+ years later. Tang stamped USMC. Leather...$89.99 -
On Sale
Magpul PMAG M3 40rd. .223/5.56mm AR15 Magazine MAG233-BLK
Magpul Industries
Now: $21.80Was: $22.95The Magpul PMAG 40 AR/M4 GEN M3 .223/5.56 Magazine (MAG233-BLK) is Magpul's high-capacity 40-round PMAG for AR-15/M4 pattern rifles chambered in 5.56 NATO or .223 Remington. The PMAG 40 M3 features...Now: $21.80Was: $22.95 -
Knight's Armament - Combat Trigger Guard Kit - KM20491-1
Knights Armament Company
$49.93The KAC Combat Trigger Guard is enlarged for use with gloves or for shooters with large hands. It is compatible with most mil-spec AR-15 lower receivers, but may require slight fitting in some...$49.93 -
Knights Armament - Free Float Rifle RAS - 21318
Knights Armament Company
$452.52The Knight's Armament Free Float Rifle RAS (KAC PN: 21318) is KAC's free-float Rifle-length Rail Adapter System for AR-15/M16 pattern rifles. The KAC RAS (Rail Adapter System) provides full-length...$452.52 -
Knight's Armament - M-LOK Index Stop - 113886
Knights Armament Company
$59.64The Knight's Armament M-LOK Index Stop (KAC PN: 113886) is KAC's precision-machined M-LOK index stop for use on M-LOK compatible handguards, primarily the KAC URX 4 series. The index stop provides a...$59.64 -
Knights Armament - SR15 E3.2 Field Repair Kit - 121261
Knights Armament Company
$196.43The Knight's Armament SR-15 E3.2 Field Repair Kit (KAC PN: 121261) is KAC's genuine factory field repair/maintenance kit for SR-15 E3.2 rifles. The field repair kit contains the critical spare parts...$196.43 -
LMT Defense - 7.62/5.56 Flip-Up Battle Sight Set - L8BUIST
LMT Defense
MSRP: $250.00$231.75The LMT Defense 7.62/5.56 Flip-Up Battle Sight Set (L8BUIST) is the complete BUIS (Backup Iron Sight) solution for any AR-15 or AR-10 platform using a primary red dot or variable power optic. The set...MSRP: $250.00$231.75 -
Knights Armament - SR-25 Magazine 10-Round - 98037-1
Knights Armament Company
$119.23The Knight's Armament SR-25 10-Round Magazine (KAC PN: 98037-1) is KAC's genuine factory 10-round magazine for the SR-25 semi-automatic precision rifle in 7.62x51mm NATO (.308 Winchester). The...$119.23 -
LMT Defense - MRP Locking Screw - 2pk - R-L7S1D
LMT Defense
MSRP: $31.60$29.34The LMT Defense MRP Locking Screw 2-Pack (R-L7S1D) provides genuine OEM replacement locking screws for LMT's Monolithic Rail Platform (MRP) barrel retention system. These are the proprietary locking...MSRP: $31.60$29.34