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 stock
Thunder Beast - BA Series .338 Muzzle Brake - 5/8x24 #338BA-BRK:5/8-24
Thunder Beast Arms Corp
$145.00Thunder Beast Arms Corp BA Muzzle Brake .338 CAL 5/8x24$145.00 -
Out of stock
Thunder Beast - BA Series .338 Muzzle Brake - 3/4x24 #338BA-BRK:3/4-24
Thunder Beast Arms Corp
$145.00Thunder Beast Arms Corp BA Muzzle Brake .338 CAL 3/4x24$145.00 -
Out of stock
Thunder Beast - SR Muzzle Brake - 3/4x24 #SR-BRK:3/4-24
Thunder Beast Arms Corp
$145.00Thunder Beast Arms Corp SR Muzzle Brake 3/4x24$145.00 -
Thunder Beast - CB Series .223 CAL Muzzle Brake - 1/2X28 223CB-BRK:1/2X28
Thunder Beast Arms Corp
$125.00The Thunder Beast Arms CB Series .223 Caliber Muzzle Brake with 1/2x28 threads (223CB-BRK:1/2X28) delivers effective muzzle rise and recoil reduction for .223/5.56 NATO AR-15s and bolt-action rifles...$125.00 -
Out of stock
Thunder Beast - CB Series .30 CAL Muzzle Brake - 5/8X24 30CB-BRK:5/8-24
Thunder Beast Arms Corp
$125.00The Thunder Beast Arms CB Series .30 Caliber Muzzle Brake with 5/8x24 threads (30CB-BRK:5/8-24) combines serious recoil and muzzle rise reduction with Thunder Beast's CB (Collet Brake) quick-detach...$125.00 -
Thunder Beast - CB Series .223 CAL Flash Hider - 1/2X28 223CB-FH:1/2X28
Thunder Beast Arms Corp
$125.00The Thunder Beast Arms CB Series .223 Caliber Flash Hider with 1/2x28 threads (223CB-FH:1/2X28) serves as the flash-suppressing host adapter for Thunder Beast's CB (Collet Brake) quick-detach...$125.00 -
Thunder Beast - CB Series .30 CAL Flash Hider - 5/8X24 30CB-FH:5/8-24
Thunder Beast Arms Corp
$125.00The Thunder Beast Arms CB Series .30 Caliber Flash Hider with 5/8x24 threads (30CB-FH:5/8-24) is the flash-hiding host adapter for Thunder Beast's CB (Collet Brake) quick-detach suppressor system,...$125.00 -
Thunder Beast - CB Series .223 CAL Non-Timed Muzzle Brake - 1/2X28 223CB-NTB:1/2-28
Thunder Beast Arms Corp
$125.00The Thunder Beast Arms CB Series .223 Caliber Non-Timed Muzzle Brake with 1/2x28 threads (223CB-NTB:1/2-28) is the host adapter and muzzle device for Thunder Beast's CB (Collet Brake) quick-detach...$125.00 -
Out of stockOn Sale
CMMG - Banshee MKGs 9mm Semi-Auto 8" AR Pistol - #99AE80F-AB
CMMG
MSRP: $1,574.95Now: $1,499.99Was: $1,574.95Following the introduction of the MkG many asked for a similar 9mm AR pistol that used the ubiquitous double stack 9mm Glock-pattern magazines, and thus the MkGs platform was born. Equipped with a...MSRP: $1,574.95Now: $1,499.99Was: $1,574.95Qty in Cart: 0Quantity:Price:MSRP: $1,574.95Now: $1,499.99Was: $1,574.95Subtotal: -
Out of stock
Bond Arms - Cyclops 44 Rem Mag 4.25" Single Shot Pistol - #BACY-44MAG
Bond Arms
$649.00When Bond Arms released the Cyclops 45-70 in January of 2023, they knew we were on to something BIG. After asking their biggest fans what other calibers they would like to see released for the...$649.00 -
On Sale
Unity Tactical - ModButton Lite 7" - MBL-BLK-SF-7
Unity Tactical
Now: $78.00Was: $86.00The Unity Tactical ModButton Lite 7" (MBL-BLK-SF-7) is a longer-run weapon light activation system for SureFire Scout Series and compatible weapon lights, providing 7 inches of tape switch run for...Now: $78.00Was: $86.00 -
Radian Weapons Glock 19 Compressor Quick-Tune Guide Rod Assembly - Fits Gen 1-5, Screwless Design A-G-19-ROD
Radian Weapons
$79.95Most adjustable guide rods on the market use a cap screw to retain the spring. The problem? Loose screws are too common and thread locker forces you to commit to one spring weight. Enter the...$79.95