Brownells BRN-Proto A1 20" 1-12 Stripped Barrel 1/2-28
$199.99 0 in
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Specifications
Caliber
Model
BRN-Proto A1
MPN
BABR5512766MX
Barrel Length
20"
Finish
Black
Fits
AR-15 rifle length gas system, low profile gas block (.625 in journal)
Color
Black
Material
4150 Chrome Moly Steel
Platform
AR-15
Thread Pitch
1/2-28
Description
As a result of the Brownells BRN-PROTOA(R) Retro Rifle project we have a supply of these stripped A1 profile barrels to offer. At 20 inches in length, this barrel has a 1-12 rate of twist, a rifle length gas system length, and a A 1/2-28 thread pitch on the muzzle, and a .625 gas block diameter. Barrels are magnetic particle inspected. Machined from 4150 chrome moly steel. The gas block journal is shorter than a standard A1, so a standard A1/A2 fixed front sight base will not be compatible. Most low profile gas blocks, with a shorter length will work great. Mfg: Brownells