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
Sig Sauer - TANGO6T Rifle Scope 1-6X24mm - #SOT61DVO
Sig Sauer
Now: $2,199.99Was: $2,859.99Selected by the U.S. Army for both the Squad Designated Marksman Rifle System and for U.S. Special Forces, the TANGO6T is available in the commercial market. Designed for today's common MSR/AR and...Now: $2,199.99Was: $2,859.99 -
Out of stock
Sig Sauer - Tango MSR 1-6X24 Rifle Scope - #SOTM61200
Sig Sauer
$429.99Introducing the TANGO-MSR line of riflescopes in Coyote Tan by Sig Sauer. Featuring industry leading light transmission and optical clarity low power variable optics loaded with standard features...$429.99 -
Out of stockOn Sale
Magpul - PMAG30 M3 windowed 5.56NATO 30 round magazine - #MAG556-MCT
Magpul Industries
Now: $17.05Was: $17.95The next-generation PMAG 30 AR/M4 GEN M3 Window is a 30-round 5.56x45 NATO (.223 Remington) polymer magazine for AR15/M4 compatible weapons that features transparent windows to allow rapid visual...Now: $17.05Was: $17.95 -
Out of stockOn Sale
Magpul - M3 300 Blackout 30 Round Magazine - #MAG800-BLK
Magpul Industries
Now: $15.15Was: $15.95The PMAG 30 AR 300 B GEN M3 is a purpose-designed magazine for rifles chambered in 300 Blackout. Since its inception, 300 Blackout shooters have had to use a magazine designed for another...Now: $15.15Was: $15.95 -
Out of stock
Canik - 9mm 18 Round Magazine - #MA548
Canik
$34.99Canik's TP9 series magazine are a standard factory replacement magazine. With durable steel construction, the TP9 magazines ensure flawless function and long-term reliability in your firearm. Fits...$34.99 -
Out of stock
Canik - 9mm 20Round Magazine - #MA550
Canik
$39.99Canik's TP9 series magazines are a standard factory replacement magazine. With durable steel construction, the TP9 magazines ensure flawless function and long-term reliability in your firearm. Fits...$39.99 -
Out of stock
Troy - Gas Block .875" Black - #SGAS-875-00BT-00
Troy
$45.00Troy's .875 Low Profile Gas Block is made specifically for bull barrel rifles that have a 0.875 gas block seat. Machined from 4140 pre-hardened steel finished with MIL-STD Manganese Phosphate. Gas...$45.00 -
Out of stockOn Sale
Ergo - .750 Low-Pro Adjustable Gas Block - #4822
Ergo Grip
Now: $43.25Was: $51.99The Ergo 4822 .750 Adjustable Gas Block is designed to fit under the Ergo Modular and SuperLite™ Rail System, as well as most other manufacturer’s free float handguards. Adjustments are made via a...Now: $43.25Was: $51.99 -
Out of stock
EOTech - EXPS3 Holographic Sight Red 68 MOA Ring - EXPS3-4
EOTech
$815.00The E is for Extreme. The EXPS3 offers true 2-eyes-open shooting and a 7 mm raised base that still allows for iron sight access. It features easy-to-adjust side buttons and an adjustable, locking,...$815.00 -
Out of stockOn Sale
LMT Defense - 7.62 NATO barrel assembly 20" Stainless Steel - LM308B220S
LMT Defense
MSRP: $947.00Now: $852.30Was: $877.95LMT AR-10 Barrel for use with the LMT MWS upper receivers. Specifications: 7.62 NATO / .308 20" Stainless steel 1:11.25" RH twist 5R cut Low profile gas block Straight gas tube A2 flash hiderMSRP: $947.00Now: $852.30Was: $877.95 -
EOTech - Magnifier 3X QD Mount Switch to Side - G33.STS
EOTech
$645.00The EOTech G33 3x Magnifier with Switch-to-Side (STS) Quick Detach Mount (G33.STS) pairs EOTech's popular 3x magnifier with an integrated STS mount for instant, one-hand flip to the side when...$645.00 -
Out of stock
EOTech - Tactical Holographic 8MOA Ring - XPS2-2TAN
EOTech
$649.00The XPS2 is the shortest, smallest and lightest EOTech model holographic weapon sight available without night vision. Its size and weight make it convenient for hunters and law enforcement officers...$649.00