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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Radian Weapons Glock 19 Compressor Quick-Tune Guide Rod Assembly - Fits Gen 1-5, Screwless Design A-G-19-ROD
Radian Weapons
$79.95Most adjustable guide rods on the market use a cap screw to retain the spring. The problem? Loose screws are too common and thread locker forces you to commit to one spring weight. Enter the...$79.95 -
ARISAKA - Quick Detach Mount - QD-M
Arisaka
$23.00The Arisaka QD Mount is a low profile design for M-Lok handguards. It features an anti-rotation interface and accepts all standard QD sling swivels, as well as the Geissele/ALG Defense forged QD...$23.00 -
ARISAKA - Hand Stop - HS-P
Arisaka
$35.00The Patent Pending Arisaka Hand Stop is a continuation of our low profile, minimal control accessories. The primary goal of this accessory is to aid the user in pulling their rifle into their...$35.00 -
ARISAKA - Finger Stop - FS-P
Arisaka
$25.00The Arisaka Finger Stop was developed as a low profile, minimal control accessory. This version is for 1913 Picatinny rails. The Finger Stop has a slim profile which is ergonomically designed to be...$25.00 -
Heckler & Koch - SP5K/MP5 9mm 30rd Magazine - 206349S
Heckler & Koch
$85.99The Heckler & Koch SP5K/MP5 9mm 30-Round Magazine (HK PN: 206349S) is a genuine HK factory 30-round 9mm double-stack magazine for the SP5K, SP5, and MP5 platforms. The MP5/SP5K magazine uses H&K's...$85.99 -
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 -
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