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JG 9mm 1/2×36 Thread Barrel – 7.5″-Blowback


Color: Black
Finish: QPQ Salt Bath Nitride (ID/OD)
Fabric/Material: 4150 CMV
Cartridge: 9mm Luger
Barrel Profile: Lightweight
Gas Block Journal Size-Dia: Blowback Gas System- No Gas Block
Threads per Inch: 1/2×36
Barrel Twist Rate: 1-10
Barrel Material: 4150 Chrome Moly Vanadium
Flutes: No
Gun Make: AR Platform
Gun Model: AR-9
Feed Ramp: Integrated Feed Ramp
Dimpled: Double Dimpled
Weight: 8.1oz
Warranty: Lifetime
COMPATIBILITY: Designed to work with both Colt and Glock style AR-9 builds. Compatible with standard mil-spec uppers. Specifically designed to complement the Jacob Grey JG-9 Upper receiver.


IMPORTANT: A standard 1/2×28 flash hider will not have enough clearance for a 9mm round to pass.

Before installing a muzzle device, ensure a 9mm round will drop freely through the muzzle device bore.

Additional Information:

Made in the U.S.A.
All Jacob Grey barrels are guaranteed to give sub Minute of Angle (MOA) accuracy with match grade ammunition (By Manufacturer)
High pressure tested (HPT) and Magnetic particle Inspection (MPI)

*A barrel that is shorter than 16″ is only for use on a pistol configuration firearm or a NFA registered Short-Barreled Rifle (SBR). All NFA laws apply!

No attribute set

No attribute set

Standard Equipment

No standard equipment set

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