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AR-15 18" Heavy Barrel, 6.5 Grendel Type 2, 1:8, Straight Fluted, Black Nitride

MPN: B6.5MHB1818(MF)


Premium Grade AR-15 Straight Fluted Heavy Barrel, 18", 1 in 8 twist Black Nitride
Gas port drilled for mid-length gas set up, and threaded for comp.
Barrel Extension in rear with feed ramps ready to install into receiver. 6.5 Grendel

Don't forget the AeroShell 33MS Mil Spec Armorer's Grease!

This is a premium grade 18" Straight Fluted Black Nitrided AR-15 Heavy Barrel from a highly respected U.S. contractor/barrel manufacturer.
These premium barrels are renowned for their deep, crisp, and consistent rifling and extreme accuracy.
When it comes to AR-15 barrels these beauties are the granddaddy of them all.

1 in 8 twist, gas port drilled and set up for mid-length gas system
threaded for any standard AR-15 compensator. .750 gas block size, .070 gas port diameter

Barrel Extension in rear with feed ramps ready to install into any standard AR receiver.

Barrel is chambered as 6.5 Grendel.

1 in 8 twist rate performs well with both  heavy and light grain bullets

What a deal.......

All barrels are manufactured on modern CNC equipment to completely machine the barrel. We drill, ream, rifle, turn, chamber ream, pin the Barrel Extension, drill the gas hole, and mill the flutes, all on late model CNC Equipment.  The Barrels are manufactured under the ISO 9002 Quality System, and each barrel goes through a Final Inspection before shipping.


Additional Length: 18
Profile: Heavy Barrel
Twist: 1:8
Finish: Black Nitrided
Material: Chrome Moly Vanadium
Thread Pitch: 5/8 x 24
Caliber: 6.5 Grendel
Feed Ramp: M4
Flutes: Straight Flutes
Gas System: Mid-length
Gas Block System: 0.750
Gas Hole Diameter: 0.070
Type 2 Bolt Carrier Group required
SKU ACC-B6.5MHB1818-MF-163
Country of Manufacture United States
License Requirement None
Manufacturer US Contractor
Mfg. Part Number B6.5MHB1818(MF)
Caliber/Gauge 6.5 Grendel
Action No
Barrel Length 18
Barrel Twist 1:8
Barrel Bore Type No
Barrel Finish Nitride
Barrel Fluting Straight Fluted
Barrel Profile Heavy
Mount Type No
Beam Color No
Firearm Fit No
Threaded Barrel No
Condition New
Free Shipping No
Weight 2.65 Lbs

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