Lo-Pro Gas Block Barrel, 556

Please allow 3-4 business days for shipment-these barrels are built to order. If an expedited shipping method is chosen, your order will ship next business day after it is completed. All expedited orders with this barrel will be held and shipped together.

5.56mm Lo-Pro Gas Block Barrel

Stainless Barrel -556
--1 in 7" twist improved polygonal rifling

             With 556 Noveske Match Chamber
--Extended feed ramps 
--Bead blasted finish 
--Gas tube 
--Pinned Low Profile Gas Block, .750
--1/2x28 threads 
--Medium Contour


18" Nosler and 20” Barrel Features :

--1 in 8”, Three Land and Groove Rifling

--Extended feed ramps 
--Bead blasted finish 
--Gas tube 
--Pinned Low Profile Gas Block, .750 (18" Nosler)

20” Barrel Features :
--Pinned Low Profile Gas Block, .875
--11 Degree Target Crown
--Heavier Contour

 

Barrel Length Specifics - 556



 

Gas System

Weight

7.5"

Pistol

21oz.

8.5"

Pistol

22oz.

10.5"

Carbine

24oz.

11.5" Carbine 26oz.
12.5" Carbine 27oz.
12.5" Mid 27oz.

13.7"

Mid

30oz.

14.5"

Mid

32oz.

16"

Mid

35oz.

18" SPR & 18" Nosler

Intermediate

38oz.

20"

Rifle

53oz.

 



The barrel ships with gas block. This barrel is designed for our gas block that is 1" long (INCLUDED). A standard front sight base is 1.9" long and WILL NOT FIT. Barrel installation should be performed by a qualified gunsmith. Installation of the gas block dowel pin and gas block is required to complete the assembly process. 

All NFA Regulations apply. Please check your local and state laws before ordering. 
Contact your local ATF Field Office with any NFA questions you may have.

 

You can add a headspaced bolt to your barrel for $65, click here

 




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