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
Trijicon - ACOG® 6x48 BAC Riflescope .50 BMG - #TA648-50
Trijicon
$3,230.00The military’s need for a magnified, self-luminous tactical sight that enhances target identification and increases hit probability on extended-range shots has given rise to the new Trijicon ACOG®...$3,230.00 -
Out of stock
Trijicon - 3x30 Compact ACOG® Scope .223 / 69gr. - #TA33-C-400368
Trijicon
$1,476.00Designed specifically for law enforcement and military applications, the Trijicon ACOG® 3x30 (Advanced Combat Optical Gunsight) riflescope offers the right combination of ample magnification, low...$1,476.00 -
Out of stock
Knight's Armament - DOD Surplus M16 M5 RAS Forend Assembly - #98065-DOD
Knights Armament Company
$400.00DOD Surplus Stock KAC M5 RAS (Rail Adapter System) was developed for use on the US military's M16A4, and with hundreds of thousands of rails issued to date, it is one of the most battle proven...$400.00 -
Out of stockOn Sale
EOTech - Micro 2 Power Magnifier Q/QD STS Mount Black - #EOTG43.STS
EOTech
MSRP: $649.00Now: $538.53Was: $649.00The G43 Magnifier is a miniaturized version of our battle-tested G33 Magnifier, making it one of the most compact and lightweight magnifiers available. The mount provides fast transitioning from 3X...MSRP: $649.00Now: $538.53Was: $649.00 -
Out of stockOn Sale
LMT Defense - DMR Buttstock - #DMR308
LMT Defense
Now: $391.50Was: $403.65Designated Marksman Rifle buttstock. Designed for .308 caliber rifles with carbine extension tubes. The DMR stock has comb height and length of pull adjustments for fine tuning of the shooter...Now: $391.50Was: $403.65 -
Magpul - Angled Foregrip for Picatinny - MAG411-BLK
Magpul Industries
$33.20The Magpul Angled Foregrip for Picatinny Rail (MAG411-BLK) is Magpul's original angled foregrip (AFG) for MIL-STD-1913 Picatinny rail handguards. The Magpul AFG places the support hand in a natural,...$33.20 -
Magpul - MBUS Back-Up Rear Sight Gen 2 - MAG248-BLK
Magpul Industries
$55.05The Magpul MBUS Back-Up Rear Sight GEN 2 (MAG248-BLK) is Magpul's second-generation polymer flip-up rear backup iron sight for AR-15/M4 rifles. The MBUS Gen 2 Rear features a spring-loaded,...$55.05 -
Out of stock
Spuhr - 34mm Cantilever Mount 0 MOA - 1.26" Gen3 - #SP-4026C
Spuhr
$475.00"The Noveske Shooting Team mount"$475.00 -
Spuhr - 34mm Cantilever Mount 0 MIL - 1.89" Gen3 - SP-4024C
Spuhr
$500.00Specifications: Tilt: 0 Mil/0 MOA Height: 48mm(1.89in) Length: 140mm(5.51in) Extended high cantilever m$500.00 -
Out of stock
Spuhr - 34MM Cantilever Mount 0 MOA - 1.5" - #SP-4022C
Spuhr
$475.00Extended cantilever. Allows the scope to be mounted 70 mm/2.76” further forward than with a non-cantilever mount. 10-degree wedge included 0 MIL/0 MOA <$475.00 -
Out of stockOn Sale
Surefire - M340V Scout Pro Flashlight 250 Lumens TAN- #M340V-TN-PRO
Surefire
Now: $449.00Was: $499.00The Mini Infrared Scout Light® Pro is the newest 3-volt model in our line of multi-spectrum Scout Lights. Powered by a single 123A lithium battery, it produces 250 lumens of brilliant white light or...Now: $449.00Was: $499.00 -
On Sale
Magpul - TMAG AR/M4 Gen 3 5.56 30/round ODT - MAG1417ODT
Magpul Industries
Now: $22.75Was: $23.95The Magpul TMAG AR/M4 GEN 3 5.56mm 30-Round Magazine — ODT (MAG1417ODT) is Magpul's third-generation transparent magazine for AR-15/M4 rifles, featuring a translucent ODT (Olive Drab Translucent)...Now: $22.75Was: $23.95