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
-
Out of stockOn Sale
Unity Tactical - FAST Offset Optic Mounting Plate 2.05" Black - FST-SOPD
Unity Tactical
Now: $35.00Was: $39.00The FAST Offset Optic Adapter Plates place mini red dot sights on the FAST Offset Optic Base. Each plate comes with a specific optic footprint and uses the optic manufacturer's hardware. Each plate...Now: $35.00Was: $39.00 -
Out of stockOn Sale
Unity Tactical - FAST Offset Optic Adapter 2.05" - FST-SOBB
Unity Tactical
Now: $63.00Was: $69.00The FAST Offset Optic Base attaches to either the forward or rearward mounting holes in the FAST LPVO Scope Mount. Together with a FAST Offset Optic Adapter Plate, it provides a base for attaching...Now: $63.00Was: $69.00 -
Out of stockOn Sale
Unity Tactical - FAST Offset Optic Mounting Plate 2.05" - FST-SOPA
Unity Tactical
Now: $35.00Was: $39.00The FAST Offset Optic Adapter Plates place mini red dot sights on the FAST Offset Optic Base. Each plate comes with a specific optic footprint and uses the optic manufacturer's hardware. Each plate...Now: $35.00Was: $39.00 -
Out of stockOn Sale
Unity Tactical - FAST QD Lever - LA385
Unity Tactical
Now: $41.00Was: $45.00Optional QD lever for FAST Micro Mounts. The FAST Magnifier Mount Series comes with this lever pre-installed. Not compatible with the FAST Optic Riser. 7075-T6 Aluminum and Type III Hardcoat...Now: $41.00Was: $45.00 -
Out of stock
AB Suppressor Raptor Adapter
AB Suppressor
$40.00The AB Raptor Adapter is a thread conversion piece which takes the proprietary base-end TPI of the Raptor series, and converts it to the “industry standard” 1.375 x 24 TPI.$40.00 -
Out of stock
LMT Defense - Full-Auto Piston 5.56 Bolt Carrier G2 - #R-L7Q3APE
LMT Defense
MSRP: $282.00$261.45Full auto piston bolt carrier. Developed for the Estonia Defense Forces, the new and improved design features a captive firing pin retainer similar to our .308 rifles. Drop in upgrade for all...MSRP: $282.00$261.45 -
Out of stock
Glock - OEM Threaded Barrel for Glock 19 Gen 5/19x/45 - 47698
Glock
$310.00High quality components and precise manufacturing make GLOCK parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure...$310.00 -
Out of stock
Trijicon - ACOG 4x32 Rifle Scope - TA31F-G
Trijicon
$1,617.00The Trijicon ACOG (Advanced Combat Optical Gunsight) is a fixed power, compact riflescope with an illuminated reticle pattern for use in bright to low/no light. The ACOG is designed to be extremely...$1,617.00 -
Out of stockOn Sale
Magpul - Angled Foregrip 2 - MAG414-BLK
Now: $33.20Was: $34.95The AFG-2 is a slim line design that is shorter in overall length and width compared to the original AFG. Smaller size allows for mounting on a wider variety of railed hand guards and better...Now: $33.20Was: $34.95 -
Magpul - MBUS Back-Up Front Sight Gen 2 - MAG247-BLK
Magpul Industries
$37.95The Magpul MBUS Back-Up Front Sight GEN 2 (MAG247-BLK) is Magpul's GEN 2 polymer flip-up front backup iron sight for AR-15/M4 rifles. The MBUS (Magpul Back-Up Sight) Gen 2 Front features a...$37.95 -
Out of stock
Magpul - MBUS Gen 2 Front Backup Up Sights - MAG247-FDE
Magpul Industries
$29.71The MBUS (Magpul Back-Up Sight) is a low-cost, color injection molded, folding back-up sight. The MBUS Front Sight is adjustable for elevation and fits most 1913 Picatinny-railed hand guards, but is...$29.71 -
Out of stockOn Sale
Magpul - MBUS Pro Front Sights Offset - MAG525-BLK
Magpul Industries
Now: $94.95Was: $99.95Building on the proven MBUS Pro platform, the MBUS Pro Offset Sights are part of an effective aiming system to supplement magnified optics on M1913 Picatinny mounting surfaces. In the event of a...Now: $94.95Was: $99.95