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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On Sale
Magpul angled foregrip for MLOK handguard MAG598-BLK
Magpul Industries
Now: $25.60Was: $26.95The Magpul MOE M-LOK Angled Foregrip (MAG598-BLK) is Magpul's angled foregrip (AFG) designed for M-LOK compatible handguards. The MOE Angled Foregrip M-LOK provides the same proven angled grip...Now: $25.60Was: $26.95 -
On Sale
Magpul PMAG 15 round Glock 19 magazine MAG550-BLK
Magpul Industries
Now: $14.20Was: $14.95The Magpul PMAG 15 GL9 — Glock 9mm 15-Round Magazine (MAG550-BLK) is Magpul's 15-round PMAG for Glock 9mm double-stack pistols (Glock 17, 19, 26, and compatible). Featuring Magpul's signature PMAG...Now: $14.20Was: $14.95 -
On Sale
Magpul MOE vertical grip - Fits MLOK handguards MAG597-BLK
Magpul Industries
Now: $21.80Was: $22.95The Magpul MOE M-LOK Vertical Grip (MAG597-BLK) is Magpul's standard vertical foregrip designed specifically for M-LOK compatible handguards. The MOE Vertical Grip M-LOK attaches directly to any...Now: $21.80Was: $22.95 -
On Sale
Magpul Quick Detach sling swivel MAG540-BLK
Magpul Industries
Now: $12.38Was: $14.95The Magpul QD Push-Button Sling Swivel (MAG540-BLK) is Magpul's quick-detach push-button sling swivel for use with QD sockets on AR-15/M4 stocks, endplates, and handguard attachment points. The...Now: $12.38Was: $14.95 -
Out of stockOn Sale
Magpul PMAG30 GenM2 windowed 5.56NATO Magazine for AR-15 #MAG570-BLK
Magpul Industries
MSRP: $15.95Now: $15.15Was: $15.95The PMAG 30 AR/M4 GEN M2 MOE Window is a 30-round 5.56x45 NATO (.223 Remington) AR15/M4 compatible magazine that offers a cost competitive upgrade from the aluminum USGI. It features an impact...MSRP: $15.95Now: $15.15Was: $15.95 -
Out of stockOn Sale
Magpul MOE 7.62x39 30 round magazine for AK rifles #MAG572-BLK
Magpul Industries
Now: $15.15Was: $15.95The PMAG 30 AK/AKM MOE is an inexpensive, lightweight, high reliability 30-round polymer magazine designed for Kalashnikov pattern rifles in 7.62x39mm (AK-47, AKM, AKS, SIG556R and others.) It...Now: $15.15Was: $15.95 -
Magpul - MBUS 3 Backup Rear sight MAG1167-BLK
Magpul Industries
$59.95The Magpul MBUS 3 Backup Rear Sight (MAG1167-BLK) is Magpul's third-generation polymer flip-up rear backup iron sight for AR-15/M4 rifles. The MBUS 3 features a redesigned deployment mechanism for...$59.95 -
On Sale
Magpul PMAG30 GEN M3 With Window 5.56NATO 30 round magazine MAG556-BLK
Magpul Industries
MSRP: $17.95Now: $17.05Was: $17.95The Magpul PMAG 30 AR/M4 GEN M3 Windowed .223/5.56 Magazine — Black (MAG556-BLK) is Magpul's popular 30-round GEN M3 PMAG with a clear polymer window panel on one side for at-a-glance round count...MSRP: $17.95Now: $17.05Was: $17.95 -
Out of stockOn Sale
Magpul MBUS 3 flip up Back-up-front sight #MAG1166-BLK
Magpul Industries
Now: $37.95Was: $39.95The next evolution in Magpul's MBUS (Magpul Back-Up Sight) line, the MBUS 3 incorporates the best features, strengths and value of their original MBUS and MBUS Pro Sights in a feature-packed...Now: $37.95Was: $39.95 -
Radian Weapons - Talon Ambidextrous Safety Selector - R0018
Radian Weapons
$59.95The Talon ambidextrous safety selector is a modular design that can be installed as a standard 90 degree or as a 45 degree short throw by simply rotating the shaft 180 degree inside the lower...$59.95 -
ProMag, Magazine, Fits Canik TP9, 9MM, 32 Rounds, Steel, Blued Finish CAN-A3
ProMag
$34.99ProMag magazines are made in the USA and backed by a lifetime guarantee against manufacturer's defects. Magazine springs are precision wound using heat-treated chrome silicon wire and each and...$34.99 -
Out of stockOn Sale
LMT Defense - 7.62 NATO barrel assembly 16" Stainless Steel - #LM308B216S
LMT Defense
MSRP: $893.00Now: $803.70Was: $828.00LMT AR-10 Barrel for use with the LMT MWS upper receivers. Specifications: 7.62 NATO / .308 16" Stainless steel 1:11.25" RH twist 5R cut Low profile gas block Straight gas tube A2 flash hiderMSRP: $893.00Now: $803.70Was: $828.00