20" 5.56 Heavy Barrel Assembly

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Product Details

The 20" 5.56 NATO barrel assembly has a military A2 HBAR profile  and is the same assembly used on our Model 4 rifle. The barrel has a 1/9 twist. It includes all the parts needed to attach it to an upper receiver.


Product Specs

Chamber: 5.56 NATO (The barrel assembly will also shoot .223 ammunition)

Length: 20"

Diameter at the gas port: .750"

Barrel Threading: 1/2x28

Barrel Profile: A2 heavy barrel (HBAR)

Barrel Material: 4140 Steel

Twist Rate: 1/9

Bore & Barrel Lining: Chrome molly

Barrel Coating: Manganese phosphate

Sight: F-marked A2 front sight with a side sling swivel

Handguard: Thermoplastic handguards with double heat shields

Gas System: Rifle length direct impingement

Muzzle Device: A2 flash hider (Post ban will have a pinned in place muzzle brake)

Product FAQ

Q: Will this work with my upper receiver?

A: The barrel assembly will work with any mil-spec upper receiver.

Q: Do you provide instructions on how to install the barrel?

A: Unfortunately we don't provide directions on how to install a barrel and recommend that it be installed by a gunsmith to prevent damage to the rifle.

Q: Do I have to purchase a matched bolt to my barrel?

A: With AR-15's as long as you are using the proper bolt for the caliber you do not need to match a bolt to the barrel.


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