Description
The American Precision Arms Gen 4 Fat Bastard Self-Timing Muzzle Brake delivers industry-leading recoil reduction and precision muzzle control for 6.5mm rifles. Featuring APA’s innovative calibrated U.R.P. (Tunable Top Ports), this Gen 4 brake is engineered for maximum adjustability, allowing shooters to dial in port size, location, and gas flow for virtually zero vertical movement — making it one of the flattest-shooting brakes on the market.
Built with a durable nitride finish for enhanced corrosion resistance and long-term durability, this brake is threaded at 5/8″x24 for broad compatibility with popular 6.5mm rifle platforms. The self-timing design eliminates the need for shims or crush washers, making installation clean and precise. With a 3.30″ overall length and 1.10″ diameter, it offers a commanding, purpose-built profile that balances performance and aesthetics.
**Key Features:**
– Calibrated U.R.P. Tunable Top Ports for zero vertical movement
– Gen 4 design — the flattest-shooting brake in the APA lineup
– Self-timing — no shims or crush washers required
– Nitride finish for superior durability and corrosion resistance
– 5/8″x24 thread pitch
– 3.30″ OAL | 1.10″ Diameter
– Caliber: 6.5mm
Whether you’re a competitive shooter chasing tight groups or a long-range hunter demanding consistent performance in the field, the APA Gen 4 Fat Bastard is a serious upgrade for your precision rifle build. Order online today or visit Deep Roots Rifle Co in Eustis, Florida, where our knowledgeable staff can help you find the perfect muzzle device for your setup.






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