Description

This 5.56 chambered 14.5" Pencil Profile Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension.

Quench Polish Quench (QPQ) is a specialized type of nitrocarburizing case hardening that increases corrosion resistance. It is sometimes known by the brand name of Tufftride, Tenifer Black Nitride, or Melonite. QPQ is a huge improvement over Chrome Lined barrels. Unlike chrome lining, where the chrome is built up on the surface, QPQ converts the surface without the risk of dimensional build-up. The technique is used when two or more of the following properties are required in a workpiece:

Length - 14.5"
Material - 4150 Chrome Moly Vanadium
Profile - Pencil
Finish - QPQ Corrosion Resistant
Gas System Length - Mid-Length
Gas Block Journal - .625" Gas Block Journal
Twist Rate - 1/7 Twist
Muzzle - 1/2x28 Threaded
Weight - 24.8oz
11-Degree Target Crown - Further improve accuracy

SKU: AA-556-145-PEN-ML
UPC: 860006522257

Explore more Always Armed Barrels gun parts.

Coupons for Right To Bear store

FREESHIP
Expiration date Unknown Report

Similar Products

Customer reviews

This product hasn't received any reviews yet. Be the first one to rate, describe your experience or upload photos

Comments (2)

Login or register to post comments

anyone know who makes this?

0 votes
0 votes

Font type and format look like Ballistic Advantage. BA makes several 'house' branded barrels for folks (including RTB themselves).

1 vote
0 votes
Login or register to post comments