American Precision Arms Gen 2 Fat Bastard Self Timing Brake - Black Nitride Stainless Steel, 5/8"-24 tpi Threads, 3.30" OAL, 1.115" Diameter for 338 Cal Rifle

The American Precision Arms Gen 2 Fat Bastard self-timing muzzle brake is purpose-built for magnum rifle shooters who refuse to compromise on recoil management. Threaded in 5/8"-24 tpi to fit .338 caliber rifles, this black nitride stainless steel brake delivers serious recoil reduction without the headaches of traditional timing systems. The self-timing design means no guesswork during installation—align the brake and thread it on, and the porting automatically orients itself for optimal performance. If you're running a .338 Lapua, .338 Win Mag, or similar heavy-hitter, managing felt recoil and muzzle rise matters for accuracy, shooter fatigue, and spotting your own hits downrange.

Built from stainless steel and finished in black nitride, the Gen 2 Fat Bastard is engineered for durability through hard use and exposure. The 3.30" overall length and 1.115" diameter profile integrate cleanly with modern .338 rifle builds without excessive barrel protrusion. This is the kind of brake that appeals to hunters pushing long-range shots, long-range competitors, and shooters who understand that managing recoil isn't about comfort—it's about consistency and repeatability.

American Precision Arms has earned respect in the precision rifle community for quality brake design and execution. The self-timing feature eliminates a common failure point: getting the timing wrong on installation. That simplicity, combined with proven recoil reduction, makes the Gen 2 Fat Bastard a solid choice if your .338 rifle needs to work hard and shoot flat.

Key Features

• Self-timing design—no timing shims or fiddling required
• Black nitride stainless steel construction for corrosion resistance and durability
• 5/8"-24 tpi thread compatibility for .338 caliber rifles
• Proven recoil reduction and muzzle rise control
• 3.30" OAL, 1.115" diameter—balanced profile for modern rifle builds

Specifications

Frequently Asked Questions

Will this brake fit my .338 rifle?

The Gen 2 Fat Bastard is threaded 5/8"-24 tpi and designed for .338 caliber rifles. Your barrel must have a 5/8"-24 tpi thread pattern. If you're unsure, verify your barrel's thread spec before ordering.

What is a self-timing muzzle brake and why does it matter?

A self-timing brake orients its recoil-reduction ports automatically as you thread it onto the barrel—you don't need to align timing ports or use shims. Installation is simpler and more reliable, eliminating a common source of improper brake function.

What material is this brake made from and how durable is it?

The Gen 2 Fat Bastard is stainless steel with a black nitride finish. Nitride hardening improves wear resistance and corrosion protection, making it suitable for field use and harsh conditions.

How much does this brake reduce recoil on a .338 rifle?

Specific recoil reduction figures depend on your exact rifle configuration, load, and barrel length. For quantified performance data, contact American Precision Arms or consult independent testing resources specific to your setup.