SJA new fluting machine
New ORB fluting by Straight Jacket Armory on MTU Stainless Steel barrel 7 PRC 24 inch
Slow Fluting close up by Straight Jacket Armory
Fast Fluting close up view by Straight Jacket Armory
Straight fluting close up view buy Straight Jacket Armory
Barrel contour options side view

In House Barrel Fluting

Price range: $0.00 through $425.00

SJA now offers  in-house barrel fluting options to stainless steel barrels only. Available patterns: Straight, Slow, Fast, Diamond,  ORB and GLP. Each style reduces weight, improves cooling, and adds a custom look to your rifle. Our aftermarket fluting increases surface area for better heat dissipation, enhances barrel rigidity, and gives your build a unique, premium finish. Choose the pattern that matches your style and performance needs, and we’ll machine it with precision right here in-house.

Carbon fiber barrels are un able to be fluted due to the nature of the materials integrity.

Description

Straight Fluting

Straight fluting offers a clean and classic look. The flutes run parallel to the barrel from end to end. This style reduces weight while keeping strong rigidity. It also increases surface area to help with cooling. Straight fluting works well for competition and hunting rifles. It keeps the barrel balanced and easy to maintain.

Slow Spiral Fluting

Slow spiral fluting adds a subtle twist to the barrel. The flutes wrap gently along the length of the barrel. This style gives the rifle a custom look without being flashy. Slow spiral fluting reduces weight and improves heat dissipation. It also helps maintain barrel stiffness. Many shooters choose this option for a blend of performance and style.

Fast Spiral Fluting

Fast spiral fluting creates a bold and aggressive appearance. The flutes wrap tightly around the barrel. This design removes more material and reduces weight efficiently. It increases surface area for faster cooling during long strings of fire. Fast spiral fluting stands out visually and performs well under high round counts.

Diamond Fluting

Diamond fluting delivers a unique and modern look. The intersecting flutes form a diamond pattern along the barrel. This style maximizes weight reduction while maintaining strength. It also provides excellent heat dissipation. Diamond fluting makes a strong visual statement and pairs well with high-end custom builds.

ORB Fluting

ORB fluting is as unique as it comes, it’s designed to stand out while still delivering real performance benefits. The intersecting cuts form a web-like structure that removes weight evenly across the barrel without sacrificing strength or rigidity. Beyond performance, the ORB creates a bold, aggressive look that immediately sets the rifle apart.

GLP Fluting

The new GLP fluting by SJA takes weight reduction further with a more aggressive cut than our ORB pattern. It removes more steel to create a lighter barrel while maintaining strength and performance. Due to its design, GLP fluting is available only on 1.200–1.230 straight contour barrels.