Gun Parts
Welcome to the Gun Parts superstore at Boss Firearms Company, LLC. Whether you are undertaking a custom precision build, performing routine armorer maintenance, or upgrading an existing platform, we stock the high-performance components you need. As an authorized dealer for premium OEM and aftermarket manufacturers, we provide everything from stripped receivers and match-grade triggers to enhanced bolt carrier groups (BCGs) and duty-ready barrels for rifles, handguns, and shotguns.
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Out of stockOn Sale
LMT Defense - M203 37MM Flare Launcher - #M203FL
LMT Defense
MSRP: $1,635.00Now: $1,471.50Was: $1,516.50If you're looking for a replica 40MM launcher with the exact function and feel of the original military specification M203, look no further! The LMT 37MM Flare Launcher is as close to the destructive...MSRP: $1,635.00Now: $1,471.50Was: $1,516.50Qty in Cart: 0Quantity:Price:MSRP: $1,635.00Now: $1,471.50Was: $1,516.50Subtotal: -
LMT Defense - 16" .308 Lightweight Chrome Lined Piston Barrel - R-LM308B116PS
LMT Defense
MSRP: $936.00$868.05The LMT Defense 16" .308 Lightweight Chrome Lined Piston Barrel (R-LM308B116PS) is LMT's 7.62x51mm NATO piston-operated MRP-H barrel assembly, combining a lightweight chrome-lined bore with LMT's...MSRP: $936.00$868.05 -
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 stock
Knights Armament - SR-15 Ambidextrous Charging Handle Assembly - #KM31177
Knights Armament Company
$178.20The KAC 5.56mm Ambidextrous Charging Handle is another step forward in the effort to deliver the most ergonomic firearm accessories to the end user. Intermediate sized latch pads are easily...$178.20 -
AirTronic USA - MIL-SPEC Carbine Length M203 Handguard/Heatshield
AirTronic USA
$70.00This is a new AirTronic USA, mil-spec, carbine length, M203 handguard/heatshield. The internal is formed to conform to the contour of the barrel of an M16 rifle and the external is formed to a...$70.00 -
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
AirTronic USA - M203 Barrel - #IC5Q6-BARREL-USED
Used
$350.00AirTronic USA M203 12” Barrel Marked - ASSY-19200-8448377 MFR 1C5Q6 These are used items in good condition. Please note that all NFA regulations apply; ATF approval for your M203 receiver as a...$350.00 -
AirTronic USA - MIL-SPEC Rifle Length M203 Handguard/Heatshield - IC5Q6-HG
AirTronic USA
$150.00This is a new AirTronic USA, mil-spec, rifle-length, M203 handguard/heatshield. The internal is formed to conform to the contour of the barrel of an M16 rifle and the external is formed to a special...$150.00 -
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 -
Out of stock
iRayUSA - ILR-1200-1 Laser Rangefinding Module for BOLT #AC80
iRayUSA
$799.00The InfiRay Outdoor ILR-1200-1 Infrared Laser Rangefinding Module seamlessly integrates with BOLT V2 and BOLT SE Series thermal rifle scopes through a wireless connection. This advanced module...$799.00 -
Out of stock
iRayUSA - ILR-1000 Laser Rangefinding Module for RICO Mk1 #AC05
iRayUSA
$799.00The InfiRay Outdoor ILR-1000 Infrared Laser Rangefinder Module integrates seamlessly with all RICO Mk1 Series thermal rifle scopes, taking the guesswork out of range estimation, day or night. The...$799.00 -
Out of stock
iRayUSA - RICO MICRO Compatible Mounting Shoe for Dual or Obverse Mounting - #AC53
iRayUSA
$399.00iRayUSA partnered with American Defense Manufacturing to produce the Obverse MICRO Shoe (OMS) to enable helmet mounting of the RICO MICRO thermal unit in a dual-mounted or obverse-mounted...$399.00