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Questions & Answers

Product Discontinued by Manufacturer

Stag Arms 16in M4 Barrel Assembly has been discontinued by Stag Arms and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts, Rifle Barrels, AR15 Barrels yourself to try and find the perfect replacement for you!

Product Info for Stag Arms 16in M4 Barrel Assembly

The 16" 5.56 NATO 1/7 twist barrel assembly has a military M4 profile and is the same assembly used on our Plus Package rifles. It includes all the parts to attach it to an upper receiver. Chamber: 5.56 NATO (The barrel assembly will also shoot .223 ammunition) Length: 16" Diameter at the gas port: .750" Barrel Threading: 1/2x28 Barrel Profile: Government Profile Barrel Material: 4150 Steel Twist Rate: 1/7 Bore & Barrel Lining: Mil-spec Chrome Lined Barrel Coating: Manganese phosphate Sight: F-marked A2 front sight with a side sling swivel Handguard: Thermoplastic handguards with double heat shields Gas System: Carbine length direct impingement Muzzle Device: A2 flash hider (Post ban will have a pinned in place muzzle brake) Q: Will this work with my upper receiver? A: The barrel assembly will work with any mil-spec upper receiver. If you have a left hand upper receiver, please make sure to purchase the barrel with an ambi barrel extension to ensure the bolt will properly lock into the barrel extension. 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.image

Package Contents:

  • Stag Arms 16in 5.56 M4 Barrel Assembly

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Related Products to Stag Arms 16in M4 Barrel Assembly

Stag Arms 16in M4 Barrel Assembly Unavailable & Discontinued Models

List of Unorderable Models

Stag Arms 16in 5.56 M4 Barrel Assembly 1/9 twist, SA220006 , MPN: SA220006 , Code: 2PS-ATB-7TBA-SA220006
Stag Arms Crowned 16in 5.56 M4 Barrel Assembly, SA220001 , MPN: SA220001 , Code: 2PS-ATB-7TBA-SA220001
Stag Arms 16in 6.8 SPC M4 Barrel Assembly, SA220003 , MPN: SA220003 , Code: 2PS-ATB-7TBA-SA220003
Stag Arms 16in 5.56 M4 Barrel Assembly 1/7 twist, SA220004 , MPN: SA220004 , Code: 2PS-ATB-7TBA-SA220004
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