Gen 3 Little Bastard Self Timing Muzzle Brake*

American Precision Arms is very excited to share the release of the Generation 3 Little Bastard. It has been a long time coming but we wanted to make sure everything was perfect before offering something new.

The development of APA Gen 3 Little Bastard was the result of American Precision Arms' constant pursuit of breaking the mold and a desire to meet the demands of the Long-Range and Hunting markets.  APA has combined the standards of high-level performance and reliability with distinctive design enhancements to improve both accuracy and performance. These enhancements benefit the shooter experience at the range and in the field where every advantage matters.

The roots of the new Generation 3 version of the Little Bastard lie in the requests of the elite long-range precision rifle community. APA's goal was to meet the needs of those shooters while also maintaining their standards of pristine manufacturing. Among the design, changes are three key features. The advanced Unique Recoil Profile tunable top port design allows the shooter to fine-tune the muzzle movement for absolute target retention.  In addition to that, the new lock nut design creates a zero over rotating platform. Last is the addition of a fourth Bastard port section that eliminates even more recoil than before.

NOT JUST STOPPING RECOIL, BUT LATERAL MOVEMENT AND MUZZLE RISE AS WELL, FOR A TRULY NEUTRAL SIGHT PICTURE.

URP (Unique Recoil Profile) Top Ports

We developed the U.R.P. Adjustable Gas System. These aren't just randomly placed top ports. Every port is placed adjacent to the internal Bastard tooth where there is maximum pressure build-up. This makes the adjustable ports directionally effective. 

The unique tunable gas system combined with the trademark APA ports work together to achieve a sight picture that moves less than ever before. There are 8 directional gas ports that can be tuned to counteract you’re U.R.P. (unique recoil profile).

 There are 256 combinations to keep your sights on target. To calibrate the brake to your U.R.P., start testing with all the gas screws installed. Pay attention to the movement of your reticle, and begin removing the gas screws as the recoil requires.

 When the gas screws are removed on the right side, the rifle will be shifted left. For the opposite effect simply remove the screws on the left. The gas holes closer to the nut have a more dramatic effect and the ports closer to the brake crown have a lesser effect.  When you find your U.R.P. combination, Threadtite your screws into place.

1" in Diameter, 2.55" In Length, and Weighs 4.4 oz

Made for barrel diameters of .750 to 1 inch.

The Gen 3 Little Bastard can handle magnum cartridges.

Available in 6mm, 6.5mm & .308 (7mm) with more calibers to come.

Available in 5/8X24 1/2x28, M18x1, and M18x1 Thread Pattern with more to come.

• Choose the .223 variant for any cartridge with a .223-.224" diameter bullet such as 5.56x45mm, 223 Remington, and 22-250 Remington.

•  Choose the 6mm variant for any cartridge with a .243" diameter bullet or smaller such as 6mm Creedmoor or 243 Winchester.

• Choose the 6.5mm variant for any cartridge with a .264" diameter bullet or smaller such as 6.5mm PRC, 6.5mm Creedmoor, and 260 Remington.

•  Choose the 30 or 308 variant for any cartridge with a .308" diameter bullet or smaller such as 270 Winchester, 7mm Remington Mag, 28 Nosler, 7.62x51mm, as well as the 300PRC, 300 Winchester Magnum, 30-06 Springfield, and 308 Winchester.

• Choose the 338 variant for any cartridge with a .338" diameter bullet or smaller such as 338 Lapua Magnum and 8mm Remington Magnum.

• Choose the 45 variant with the 11/16x24 thread pattern in for the Marlin Model 1895 that is chambered in 45-70 Govt or for the Smith & Wesson Model 1854 44 Magnum.

Each brake includes set screws, one Allen wrench, and a single-use Threadtite.

Extra Gen 3 Screw Kits are available here.

Maintenance

Routine maintenance of a muzzle brake is essential to ensure proper function and accuracy. Similar to a rifle barrel, a muzzle brake accumulates carbon deposits during use. Over time, these deposits build up in the ports—most significantly in the final port, as the first two are partially self-cleaning due to muzzle blast. Excessive carbon buildup can eventually obstruct the projectile path, resulting in bullet strikes. While this may appear as occasional flyers during general use, it can be detrimental in competitive applications where consistent point of impact is critical. In addition to bullet strikes, carbon accumulation may alter airflow through the ports, leading to shifts in accuracy or point of impact.

Caution: Do not use Lemishine, CLR, or any citric-acid-based cleaner on muzzle brakes. These agents will discolor the black nitride finish and void the product’s lifetime warranty.

Preventative Maintenance

The most effective method is preventative cleaning performed at the same interval as barrel maintenance (approximately every 200–400 rounds, with shorter intervals recommended for 6mm cartridges). Regular cleaning prevents significant fouling and reduces removal effort.

1. Soaking: Place the brake in a carbon cleaner such as BoreTech C4. On black nitride brakes, deposits typically release with minimal effort.

2. Brushing: If necessary, use a non-abrasive cleaning brush to assist with carbon removal. The black nitride finish is harder than common brush materials and will not scratch; however, raw stainless finishes are more susceptible to scratching and should not be cleaned with stainless steel or other hard-bristle brushes.

Heavy Carbon Removal

If cleaning is delayed beyond ~1,000 rounds, substantial carbon accumulation should be expected in the second and third ports. In these cases:

1. Extended Soak: Submerge the brake in BoreTech C4 for 24–48 hours.

2. Mechanical Assistance: Use a non-damaging pick to remove large carbon deposits.

3. Final Cleaning: Repeat the standard soaking and brushing procedure to remove remaining fouling.

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