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 - DMR Buttstock - #DMR308
LMT Defense
Now: $391.50Was: $403.65Designated Marksman Rifle buttstock. Designed for .308 caliber rifles with carbine extension tubes. The DMR stock has comb height and length of pull adjustments for fine tuning of the shooter experience. This is a must have stock for quickly improving or...Now: $391.50Was: $403.65 -
Magpul - Angled Foregrip for Picatinny - MAG411-BLK
Magpul Industries
$33.20The Magpul Angled Foregrip for Picatinny Rail (MAG411-BLK) is Magpul's original angled foregrip (AFG) for MIL-STD-1913 Picatinny rail handguards. The Magpul AFG places the support hand in a natural, angled position that reduces fatigue during extended...$33.20 -
Magpul - MBUS Back-Up Rear Sight Gen 2 - MAG248-BLK
Magpul Industries
$55.05The Magpul MBUS Back-Up Rear Sight GEN 2 (MAG248-BLK) is Magpul's second-generation polymer flip-up rear backup iron sight for AR-15/M4 rifles. The MBUS Gen 2 Rear features a spring-loaded, push-button deployment for fast sight activation and a fully...$55.05 -
Out of stock
Spuhr - 34mm Cantilever Mount 0 MOA - 1.26" Gen3 - #SP-4026C
Spuhr
$475.00"The Noveske Shooting Team mount" The Noveske Shooting Team Mount was developed on special request from the Noveske Shooting Team to give them extra advantage in 3gun competitions. Most AR15-style cantilever mounts are 1.5" (38mm) high,...$475.00 -
Spuhr - 34mm Cantilever Mount 0 MIL - 1.89" Gen3 - SP-4024C
Spuhr
$500.00Specifications: Tilt: 0 Mil/0 MOA Height: 48mm(1.89in) Length: 140mm(5.51in) Extended high cantilever mount intended for use on AR-platforms with illuminators mounted on top of the hand-guard.$500.00 -
Out of stock
Spuhr - 34MM Cantilever Mount 0 MOA - 1.5" - #SP-4022C
Spuhr
$475.00Extended cantilever. Allows the scope to be mounted 70 mm/2.76” further forward than with a non-cantilever mount. 10-degree wedge included 0 MIL/0 MOA Specifications: Height: 38 mm/1.5” Length: 140 mm/5.51” Weight: 246...$475.00 -
Out of stockOn Sale
Surefire - M340V Scout Pro Flashlight 250 Lumens TAN- #M340V-TN-PRO
Surefire
Now: $449.00Was: $499.00The Mini Infrared Scout Light® Pro is the newest 3-volt model in our line of multi-spectrum Scout Lights. Powered by a single 123A lithium battery, it produces 250 lumens of brilliant white light or 100 mW of invisible infrared illumination for use...Now: $449.00Was: $499.00 -
On Sale
Magpul - TMAG AR/M4 Gen 3 5.56 30/round ODT - MAG1417ODT
Magpul Industries
Now: $22.75Was: $23.95The Magpul TMAG AR/M4 GEN 3 5.56mm 30-Round Magazine — ODT (MAG1417ODT) is Magpul's third-generation transparent magazine for AR-15/M4 rifles, featuring a translucent ODT (Olive Drab Translucent) body for at-a-glance round count verification. The TMAG...Now: $22.75Was: $23.95 -
On Sale
B5 Systems - Bravo Stock Assembly Milspec Black Multicam - BRV-1421
B5 Systems
Now: $84.55Was: $89.00The B5 Systems Bravo Stock Assembly for AR Milspec buffer tubes in Black Multicam (BRV-1421) combines the enhanced ergonomics of the B5 Bravo stock with a tactical Multicam-patterned polymer finish. The Bravo features an extended cheekweld surface, dual...Now: $84.55Was: $89.00 -
On Sale
Aimpoint - Patrol Rifle Optic (PRO™) Red Dot Reflex Sight - QRP2 Mount - 12841
Aimpoint
Now: $497.00Was: $552.00The Aimpoint® Patrol Rifle Optic (PRO) is built to withstand the toughest conditions encountered by law enforcement officers. This rugged and reliable red dot sight is designed to enhance target acquisition with its 2 MOA red dot. Here are the key...Now: $497.00Was: $552.00 -
Out of stockOn Sale
Aimpoint - Micro T-2 Red Dot Reflex Sight 2 MOA Standard Mount - #200170
Aimpoint
Now: $929.00Was: $1,032.00Elevate your shooting experience with the Aimpoint® Micro T-2 red dot optic, meticulously designed for those who demand ruggedness, lightweight, and precision. This compact sight features cutting-edge technology and an array of impressive...Now: $929.00Was: $1,032.00 -
Out of stockOn Sale
Aimpoint - 3X-C Magnifier No Mount - #200273
Aimpoint
Now: $341.00Was: $379.00The Aimpoint 3X-C Magnifier is a top-tier optical module designed to enhance your long-distance observation and target acquisition capabilities. Whether you use it alongside an Aimpoint red dot sight or as a hand-held monocular, the 3X-C™ delivers...Now: $341.00Was: $379.00