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
Knight's Armament - M-LOK 3″ Rail Section (5 slot) - #31912
Knights Armament Company
$49.01This KAC M-LOK Accessory Rail is 3" in length and provides a 5-slot section of MIL-STD-1913 Picatinny rail for the addition of tactical accessories. Designed specifically for the URX 4 handguard,...$49.01 -
Out of stock
Knight's Armament - 5.56mm QDC MAMS Muzzle Brake Kit - #30168
Knights Armament Company
$356.33The KAC 5.56 MAMS (Multi-Axis Muzzle Stability) Brake has been engineered to increase controllability, to significantly reduce felt recoil, and to help mitigate a rifle’s flash signature as compared...$356.33 -
Out of stock
Knight's Armament - M-LOK Barrier Stop, Short - #113884
Knights Armament Company
$86.84Aggressive texture for increased traction and stability on most surfaces with integral QD socket. Â$86.84 -
Out of stock
Knight's Armament - MWS Rail Bipod Adapter w/ Stud - #98060
Knights Armament Company
$48.03Bipod adaptor that fits any MIL-STD 1913 rail. Designed for installation on the lower rail. Includes QD stud PN: 97030. Model: 98060 Color: Black Weight: 1 lb NSN: 1001-01-468-0350$48.03 -
LMT Defense - MRP Locking Screw Washer - LM308B1WAS
LMT Defense
MSRP: $10.80$7.47The LMT Defense MRP Locking Screw Washer for MRP-H .308 (LM308B1WAS) is the genuine OEM replacement locking screw washer for LMT's MRP-H (heavy/.308/AR-10) Monolithic Rail Platform upper receivers...MSRP: $10.80$7.47 -
Surefire - Replacement Cap for M300 & M600 - UE-BK
Surefire
$71.00The SureFire Replacement Rear Cap for M300 & M600 Scout Light — Black (UE-BK) is SureFire's genuine replacement UE (User-Exchangeable) rear cap for M300 and M600 series Scout Lights. The UE rear cap...$71.00 -
Benelli - M4 Full Length 7rd 12ga 1 Piece Magazine Tube - 70052
Benelli
$119.00The Benelli M4 magazine comes factory Individually wrapped and labeled for authenticity don't settle for less. The Benelli m4 seven round magazine tube will replace the five round magazine and dummy...$119.00 -
Dead Air Armament - Ghost Fixed Barrel Spacer - DA409
Dead Air Armament
$39.00The Dead Air Ghost Fixed Barrel Spacer (DA409) is an essential accessory for mounting the Dead Air Ghost suppressor series on pistols with fixed, non-threaded barrels. This spacer allows the Ghost 9...$39.00 -
Geissele Automatics - SD-E Super Dynamic Enhanced 2-Stage Flat Trigger - 05-167
Geissele Automatics
$245.00The Geissele Super Dynamic-Enhanced (SD-E) Trigger featuring an exclusive flat trigger bow, is a finely-tuned two stage trigger providing enhanced trigger control and weapon accuracy while...$245.00 -
Geissele Automatics - SSA-E Super Sem-Auto Enhanced 2-Stg Curved Trigger - 05-160
Geissele Automatics
$245.00Built on the chassis of the Geissele SSA®, the Super Semi-Automatic Enhanced (SSA-E®) provides enhanced trigger control and weapon accuracy while maintaining the robustness and reliability of...$245.00 -
Out of stock
Knight's Armament - Panel Kit URX 3 & 3.1 - #30408-BLK-USED
Used
$200.00This is a used item in excellent condition. The KAC URX 3.1 Long Rail Panel Kit contains a basic assortment of protective panels that bolt directly to a Knight?s Armament URX III or 3.1 handguard...$200.00 -
On Sale
Two Vets Tripods - Kit V2 - KitV2
Two Vets Tripods
Now: $605.00Was: $620.00Application PRS/NRL Style Matches Hunting (Predator, Hog ) Back Woods Back Country Hunting Range Shooting Features Rubber Twist Locks new and improved rubber twist locks Vented tubes&Now: $605.00Was: $620.00