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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VLTOR - A5 SPRING AND BUFFER KIT SP-A5
Vltor Weapon Systems
$107.96The VLTOR A5 Spring and Buffer Kit (SP-A5) provides the complete spring component for the VLTOR A5 buffer system — the longer, properly tensioned spring designed to work in concert with the VLTOR A5...$107.96 -
Out of stock
VLTOR - FAL Rifle Series Handgaurd #CASV-FA
Vltor Weapon Systems
$329.95 - $358.95The CASV-FAL handguard is designed for the FAL series of rifles. They mount solidly to the standard inch or metric FAL with a short version for the carbine style FALs. It is mounted at the receiver...$329.95 - $358.95 -
VLTOR - 5-Position AK47 Receiver Extension w/ Storage Compartment - RE-47
Vltor Weapon Systems
MSRP: $98.95$98.06The VLTOR RE-47 5-Position AK47 Receiver Extension with Storage Compartment allows AK-47 pattern rifles to accept AR-15/M4 compatible collapsible stocks with a 5-position length-of-pull adjustment...MSRP: $98.95$98.06 -
VLTOR - Set Screw Gas Block - 0.625" to 0.750" Bore GB-S
Vltor Weapon Systems
$64.95The VLTOR Set Screw Gas Block (GB-S) is a low-profile, steel gas block engineered to replace the standard front sight base on AR-15 barrels, allowing use of free-float handguards without obstruction...$64.95 -
Out of stock
VLTOR - MK14/EBR Stock Adapter - #RE-EBR
Vltor Weapon Systems
$456.95The RE-EBR VLTOR Stock Adaptor was developed specifically for the Sage International MK14 Enhanced Battle Rifle chassis. This stock adaptor provides flexibility and comfort, as it allows for...$456.95 -
VLTOR - 7-Position A5 Receiver Extenstion - RE-A5
Vltor Weapon Systems
$56.66The VLTOR RE-A5 7-Position A5 Receiver Extension is the buffer tube component of VLTOR's innovative A5 system, designed for use with VLTOR's A5 buffer and spring for improved cycling characteristics...$56.66 -
VLTOR - 5-Position AR-15 Receiver Extension - RE-1
Vltor Weapon Systems
$51.95The VLTOR RE-1 5-Position Receiver Extension is a mil-spec diameter carbine buffer tube replacement for AR-15/M4 pattern rifles, providing the standard 5-position length of pull adjustment range in a...$51.95 -
VLTOR - A5 BUFFER - 3.80 TO 6.83OZ - A5H
Vltor Weapon Systems
$44.06 - $148.46The VLTOR A5 Buffer (A5H) is the critical component of VLTOR's A5 buffer system, a drop-in upgrade that replaces the standard mil-spec carbine buffer and spring with a longer, heavier buffer...$44.06 - $148.46 -
Out of stock
VLTOR - AR15 Charging Handle - 5.56 - #VCH
Vltor Weapon Systems
MSRP: $65.95 - $105.95$64.76 - $98.06After a years-long stint in legal and logistical purgatory, the best-selling charging handle of the past decade has made its return. Previously licensed and distributed by BCM as the original...MSRP: $65.95 - $105.95$64.76 - $98.06 -
Knight's Armament - Folding M4 Front Sight - Taupe - 99051-TAU
Knights Armament Company
$230.33The Knight's Armament Folding M4 Front Sight — Taupe (KAC PN: 99051-TAU) is KAC's folding M4-pattern front sight in Taupe color for SR-15 and M4/AR-15 pattern rifles with fixed front sight base (FSB)...$230.33 -
Out of stockOn Sale
Q LLC - Fix 16" Barrel Assembly - 8.6 BLK - #ACC-FIX-BARREL-8.6-16IN
Q LLC
MSRP: $515.00Now: $459.00Was: $515.00The modular nature of the FIX rifle allows the operator to exchange calibers and barrel lengths without the need for a gunsmith. All of Q, LLC's FIX Barrels are made from high-strength, lightweight...MSRP: $515.00Now: $459.00Was: $515.00 -
Out of stock
Knight's Armament - 8-Rib Rail Section Kit - #30412
Knights Armament Company
$33.31 - $40.10The KAC URX 3.1 Picatinny Rail Section attaches directly to a URX III or 3.1 modular handguard via a hex head screw. It allows the user to install any number of tactical accessories to the forend if...$33.31 - $40.10