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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Sig Sauer - P365 X-Macro 9MM 17RD Magazine - 8900804
Sig Sauer
$59.99The Sig Sauer P365 X-Macro 9mm 17-Round Magazine (8900804) is a factory Sig Sauer flush-fit magazine for the P365 X-Macro pistol, providing 17 rounds of 9mm Luger in a flush-fitting polymer magazine...$59.99 -
Out of stockOn Sale
B&T - Telescopic Retractable Stock for MP5K/SP5K/SP89 - #BT-200598
Brugger & Thomet
Now: $600.00Was: $957.38B&T's telescopic retractable 5-position stock assembly for Heckler & Koch models, MP5K, SP5K and SP89 and clones. The B&T stock provides a comfortable and solid shoulder support while remaining very...Now: $600.00Was: $957.38 -
Out of stockOn Sale
Knight's Armament - 6-Rib Picatinny Rail Panel - Black - #97168
Knights Armament Company
Now: $26.59Was: $27.99KAC's iconic Ribbed Rail Panels have seen use all over the globe on US military M4 Carbines. The lightweight polymer panels are ribbed for an enhanced grip, and help insulate the support hand from...Now: $26.59Was: $27.99 -
LMT Defense - MRP-L Compact Length AR-15 Upper Receiver - M-LOK - 7.25" - L7NX1A
LMT Defense
$890.10The LMT Defense MRP-L Compact M-LOK 7.25" AR-15 Upper Receiver (L7NX1A) is LMT's most compact Monolithic Rail Platform upper, purpose-built for pistol-length and ultra-compact 5.56 NATO and .300...$890.10 -
Out of stock
Staccato C2 DPO Carry 9mm 3.9" | 16+1 Capacity | Fiber Optic Sights #10-1601-000102
Staccato
$2,299.00The Staccato C2 DPO Carry 9mm pistol is a reliable and compact choice for everyday carry. With its 3.9" bull barrel and 16+1 capacity, this pistol offers excellent performance and versatility. The...$2,299.00 -
Out of stock
Staccato C2 9mm Pistol | 3.9" Bull Barrel #10-0101-000002
Staccato
$1,989.00The Staccato C2 9mm pistol delivers exceptional performance and reliability in a compact package. Equipped with a 3.9" bull barrel and a Diamond Like Carbon (DLC) black finish, this pistol is...$1,989.00 -
Out of stock
Staccato 2011® 9mm Pistol | 4.4" DLC Bull Barrel | Fiber Optic Sights #12-1200-000103
Staccato
$2,599.00The Staccato 2011® 9mm Pistol is a high-performance handgun designed for accuracy and reliability. With a 4.4-inch DLC (Diamond Like Carbon) bull barrel, this pistol delivers precise shots with...$2,599.00 -
Out of stockOn Sale
Magpul - MOE Trigger Guard FDE - #MAG417-FDE
Magpul Industries
Now: $8.50Was: $8.95The MOE Trigger Guard (Magpul Original Equipment) is an enhanced polymer drop in replacement for the AR15/M4 weapons platform. It features a shallow V shape for better use of gloves in tactical...Now: $8.50Was: $8.95 -
Out of stockOn Sale
Sig Sauer - Tango MSR Rifle Scope - #SOTM11202
Sig Sauer
Now: $699.99Was: $879.99Introducing 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...Now: $699.99Was: $879.99 -
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