AR-15 5" BARREL

Gorilla Machining AR-15 5" 7.62x39 1/10 SAAMI Barrel Micro Gas System 5R Kit Black Nitride

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Your Price: $79.99

Retail Price:$129.99

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Part Number: GM-MBN7.62x39-CVS-5"-1

Availability: In Stock

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Description
Customer Reviews

7.62x39 AR-15 Barrel – Rugged Performance with Classic AK Power

This 5-inch 7.62x39 AR-15 barrel is designed for ultra-compact builds that deliver the hard-hitting performance of the classic AK round in a PDW-style platform. Featuring a carbine-length gas system and a 0.750" gas block journal, it’s built for reliable cycling and durability in short-barrel configurations. The 1:10 twist rate stabilizes standard 7.62x39 projectiles, while the barrel’s construction from 4150 CMV steel ensures strength under sustained fire. Finished with a corrosion-resistant QPQ nitride coating and threaded 5/8x24, it's ready for suppressors or other .30 caliber muzzle devices. The M4-style extended feed ramps help improve reliability when feeding the more tapered 7.62x39 cartridges. Compact and aggressive, this barrel is ideal for close-quarters applications, suppressed setups, or anyone wanting AK-style punch in a short, modern AR package.

Specifications:

Manufacturer: Gorilla Machining
Chamber: 7.62x39
Contour: M4
Fluted: No
Length: 5"
Twist Rate: 1:10 5R
Gas System: Micro Length
Diameter at Gas Port: .750
Thread Pitch: 5/8x24
Feed Ramps: M4
Material: 4150 CMVS
Finish: QPQ
Process: Button Rifled
Lining: QPQ
Extension: M4
Assembly: Stripped

Gas Block:

QPQ Black Nitride coated
.750 ID
low profile
4340 steel
light weight
1.6oz

Micro Gas Tube:

Stainless steel
Micro length

Info:

Note- MLOK and Keymod Handguards are compatible with this assembly. M Lok nuts will clear Handguard directly under the gas block.
Note- For Suppressed or Traditional muzzle devices use a 4.25? Handguard (Receiver to muzzle shoulder distance is 4.3?) or up to 5.0? Handguards if no suppressor to be used. ( Receiver to muzzle end is 4.95?)
Note- For Linear Comps use a 5.5? to 6? Handguard. Generally we use a HG 1/2? longer than the barrel.
Note- Usually H to H3 buffers are used. For PDW stocks we have used the Gorilla H2 ,H3 and Heavy types both seem to work the same.

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Average Customer Ratings

5.0

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Great Barrel

Very nice machining, great fit and superior customer service. Shoots very well, large gas hole for reliable function.

Did you find this helpful? 4 of 4 Found Helpful

Reviewed by: JZ from USA on 11/26/2021

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