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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On Sale
Magpul PMAG Gen 2 MOE 30rd. .223/5.56mm AR15 Magazine
Magpul Industries
MSRP: $12.95Now: $12.30Was: $12.95The Magpul PMAG 30 AR/M4 GEN M2 MOE .223/5.56 Magazine — Black (MAG571-BLK) is Magpul's GEN M2 MOE 30-round PMAG for AR-15/M4 rifles. The GEN M2 MOE was the first major update to the original PMAG,...MSRP: $12.95Now: $12.30Was: $12.95 -
Daniel Defense .223REM/5.56NATO Lower Receiver Parts Kit - 05-013-21007
Daniel Defense
MSRP: $127.00$122.00The Daniel Defense Lower Parts Kit, Semi-Auto is for those interested in assembling their own AR15. Although there are many manufacturers of so-called MIL-SPEC parts, we have gone to great lengths to...MSRP: $127.00$122.00 -
Out of stockOn Sale
BT Atlas - Bipod Super Cal - BT72-LW17
BT Atlas
Now: $439.95Was: $569.95The BT72-LW17 Super CAL (Cant And Loc) Atlas Bipod does not PAN. This model mounts directly to any 1913 style Picatinny rail via the included ADM-170-S Lever. Includes patented 45° leg positions,...Now: $439.95Was: $569.95 -
Trijicon RMRcc 3.25 MOA Micro Red Dot Sight
Trijicon
$699.00Split seconds matter. The new Trijicon RMRcc has a thinner, lower-profile design that reduces the risk of snags for a faster and easier draw. Although smaller, the RMRcc keeps all the great features...$699.00 -
Out of stockOn Sale
Magpul - DT Carbine Stock - #MAG1377-BLK
Now: $61.70Was: $64.95The DT Carbine stock is a drop-in replacement for firearms equipped with a Mil-Spec receiver extension tube. Featuring dual tensioning technology, combining the best features of the SL and CTR...Now: $61.70Was: $64.95 -
Out of stock
PRi - Douglas 5.56 Stainless Steel Barrel 18" - 1~7 twist - 05-556-18DB-7-X
Precision Reflex, Inc.
$510.00Douglas 18" Black Cerakoted 416 stainless steel barrel with 1-7 twist and M4 feed ramps. Barrel is medium SPR profiled barrel, threaded with a 1/2-28 thread for the AE brakes and collar.   this is...$510.00 -
Out of stock
PRi - M84 Gas Buster® Charging Handle - Military Big Latch - #05-0031-X
Precision Reflex, Inc.
$89.95The Gas Buster® charging handle with Big Military latch is a safety device with ergonomic design that diverts harmful gases, oil and dirt particles away from the shooter.  This is a PRi Patented...$89.95 -
LMT Defense - .308 Piston Bolt Carrier Group - R-LM308DPS
LMT Defense
MSRP: $762.00$706.50The LMT Defense .308 Piston Bolt Carrier Group (R-LM308DPS) is the large-frame 7.62x51mm NATO piston BCG designed for LMT's MRP-H piston-operated AR-10/MWS platform. Built with the same materials and...MSRP: $762.00$706.50 -
Out of stock
Pulsefire - LRT Handheld Flamethrower OD Green - #PF-LRT
Exothermic Technologies
$580.00This is a new Pulsefire LRT handheld flamethrower in Olive Drab Green. The patent-pending Pulsefire is the ultimate compact, lightweight, fully handheld flamethrower that sends a blast of fire 25...$580.00 -
Out of stockOn Sale
LWRCI - Rail Section Kit | 2-Hole - #200-0033A01
LWRC
Now: $27.95Was: $30.00Manufactured for 6061 Aluminum Alloy, these rails sections will allow you to mount standard picatinny accessories to your LWRCI Modular Forends. Each 2-Hole rail section measures 2.345" from...Now: $27.95Was: $30.00 -
Out of stock
VLTOR - IMOD Improved Modular Stock MIL-SPEC - #AIB-MST
Vltor Weapon Systems
$98.95The IMod MIL-SPEC stock is a vast improvement over the OEM buttstock included on most factory rifles. With interchangeable cheekpieces, rubber buttpad, and optional battery storage tubes, the IMod is...$98.95 -
Out of stock
iRayUSA - ILR-1000-2 Laser Rangefinding Module for HYBRID #AC82
iRayUSA
$799.00The InfiRay Outdoor ILR-1000-2 Infrared Laser Rangefinding Module enhances precision shooting with thermal optics, seamlessly integrating with HYBRID Series thermal weapon sights via USB-C...$799.00