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Questions & Answers
One description of this say it is made from 4150 metal and the other says 4140...which one is correct? Expert Answer

The Luth-AR 5.56 Government Profile Lightweight Barrel is made from 4150 Chrome Molly Vanadium. It is threaded with a 1/2×28 thread pitch, a 1-9 RH twist rate with 6 lands and grooves and an M4 feed ramp. This barrel takes a .750 gas block.

by Ethan, Gear Expert, May 6, 2022
Is this barrel dimples for a gas block?

Yes. There are dimples.

by Charles-Xavier, Verified Owner, May 30, 2020
Customer Reviews
Helpful Positive Review Great barrel at an affordable price. by Tai, June 16, 2020
Replaced my 7.5" to this 11.5" barrel. I mainly shoot rounds up to 62gr and so far shoots accurate. It definitely holds it's own compared to other pricey barrels. Since I upgraded from my pistol length gas system, which was naturally overgassed, the ...
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5/5 found this helpful
Most Recent Reviews Exactly the performance I was wanting by Charles-Xavier, Verified Owner, May 31, 2020
No issues with barrel upon arrival. Looks great. Installed This barrel on my PSA 10.5 and also replaced the PSA handguard with a MidWestInd 10.5in m-lock slim handguard. Was able to reuse the stock PSA gas block and tube. The barrel break in procedur...
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Read All 2 Reviews

Product Discontinued by Manufacturer

Luth-AR 5.56 Government Profile Lightweight Barrel has been discontinued by Luth-AR 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 Luth-AR 5.56 Government Profile Lightweight Barrel

The 11.5 inch Luth-AR barrel is a Government profile, 4150 Chrome Molly Vanadium 5.56 mm, button broached barrel. The barrel is threaded with a 1/228 thread pitch, a 1-9 RH twist rate with 6 lands and grooves and an M4 feed ramp. This barrel takes a .750 gas block.image

Features of Luth-AR 5.56 Government Profile Lightweight Barrel

  • 6 Lands and Groves
  • M4 Feed Ramp
  • Government Profile
  • Button Broached

Package Contents:

  • Luth-AR 5.56 Government Profile Lightweight Barrel

Magazine and Accessories

119 / 19
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Gun Triggers

115 / 15
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Gunsmithing Tools & Accessories

114 / 14
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Gun Parts and Accessories

129 / 29
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Gun Barrels

112 / 12

Gun Sights

118 / 18
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Gun Stocks

117 / 17
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Mounts, Rings and Accessories

116 / 16
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Related Products to Luth-AR 5.56 Government Profile Lightweight Barrel

Luth-AR 5.56 Government Profile Lightweight Barrel Unavailable & Discontinued Models

List of Unorderable Models

Luth-AR 5.56 Government Profile Lightweight Barrel, 11.5 in, Carbine, 1-9 Twist, 1/2 x 28, Black, BL-11 , MPN: BL-11 , UPC: 812058030126 , Code: 3FN-ATB-AR15115MB-BL-11
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