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Firearms
MARS™ Rifles
Defender Rifles
Standard Patrol Models
Grenade Launchers
Parts + Gear
Uppers
Upper Parts
Barrels
Lower Receivers
Lower Receiver Parts
Triggers & Selectors
Buttstocks
Bolts & Bolt Carrier Groups
Bolt & Carrier Parts
Sights
Charging Handles
Accessories
Grenade Launcher Accessories
Gear
Magazines
Sales
Merch
News
FAQ
300 BLK
MRP® Pistol Length Gas Tube
$
34.00
Add to cart
10.5″ 300 Blackout
$
529.00
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16″ 300 Blackout
$
529.00
would you like to know more?
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