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Questions & Answers
Will it work on a .300 win mag baretta?

If the thread pattern on the rifle is the same as the brake, yes it will work fantastic. Make sure to check the thread pattern of your rifle before purchasing any muzzle device.

by APA, Verified Owner, July 23, 2025
1. What is difference between Gen 2 & Gen 3? 2. Okay for 308?

Great question, the Gen 2 is actually the first ever self timing brake and is still a cult classic to this day, the Gen 3 was an updated version with some notable upgrades like adjustable top ports and an extra recoil port. The reason the Gen 3 may be found at a lower cost is because it is a discontinued product as it has been replaced by the new Gen 4 which is more efficient, softer sounding and has extremely efficient top ports making it very easy to dial in a flat recoil impulse. The Gen 1 is gunsmith model that requires timing and blending, the Gen 2 is still a great option and is self timing and a beast on recoil reduction, the Gen 3 was a first revision of the 2 and the Gen 4 is king.

by Daniel M, Verified Owner, November 12, 2025
Customer Reviews
Helpful Positive Review
Expensive but worth it by Kale, October 24, 2023
My shoulder is very appreciative of the sacrifice my wallet took. It pisses off the people on the benches to my right and left but it saves me from shoulder pain so it’s worth it.
1/1 found this helpful
Helpful Positive Review
Like putting ratchet straps on your Lapua magnum by Orin, Verified Owner, January 4, 2024
Popped one on my Lapua magnum and what a difference!! She used to kick like a drunken mule. Now the mule has sobered up and is making better life choices. Highly recommended.
1/1 found this helpful
Helpful Positive Review
great muzzle brake by Scott Corlett, Verified Owner, April 30, 2024
this device does just what it says it does, lessens recoil, keeps the muzzle flat and sights on target. I like it so much I bought one for my other rifle. I highly recommend this brake, you will not regrate your purchase.
1/1 found this helpful
Most Recent Reviews
muzzel break by Mike, Verified Owner, May 21, 2025
Seems to work very well. Make sure you don’t lock tite the set screws in prematurely, there are a lot of combinations to try. Finding the right one will keep your reticle right on the target. I can stay on the target @100 yards in a 30x scope and see...
Read More...
Most Recent Reviews
I recommend this to everyone. by Tigran Buniatyan, Verified Owner, January 3, 2022
AMAZING product. It adds comfort to your rifle. It makes your rifles more accurate. I put it on really easily. I used this item on my 300Win mag and when I shoot, the recoil is no differnt than 308win.
0/1 found this helpful
Most Recent Reviews
Very Effective by Ohbrian, Verified Owner, April 30, 2024
I bought this for a 6.5 Creedmoor,not the hardest kicking round, but I have a tear in my shoulder that's waiting for repair. This is extremely well made, easy to install and comes very well packaged. Watching some YouTube reviews I was still weary bu...
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Read All 8 Reviews

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Product Info for American Precision Arms Gen 3 Little Bastard Self Timing Muzzle Brake

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

The development of APA 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 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.

This allows the shooter to not only combat direct recoil but muzzle rise and lateral movement based on the characteristics of their rifle, personal grip, stance, and the position they are shooting from.

They 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 youre 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.

Specifications for American Precision Arms Gen 3 Little Bastard Self Timing Muzzle Brake:

Manufacturer: American Precision Arms
Fabric/Material: Stainless Steel
Model Generation: 3
Inner Diameter: 1 in
Outer Diameter: 1 in
Length: 2.55 in
Weight: 4.4 oz
Condition: New

Package Contents:

  • American Precision Arms Gen 3 Little Bastard Self Timing Muzzle Brake
  • Set screws
  • One Allen wrench
  • Ssingle-use Threadtite

American Precision Arms Gen 3 Little Bastard Self Timing Muzzle Brake Orderable Models

List of Orderable Models

  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, .338, 18x1.5, Stainless, G3L8538S , MPN: G3L8538S , UPC: 810131790462 , Code: 46Y-BMB-G2L5830N-G3L8538S
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, .338, 18x1, Nitrided, G3L8138N , MPN: G3L8138N , UPC: 810131790455 , Code: 46Y-BMB-G2L5830N-G3L8138N
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, 6mm, 18x1, Stainless, G3L8160S , MPN: G3L8160S , UPC: 810131790578 , Code: 46Y-BMB-G2L5830N-G3L8160S
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, 6.5mm, 18x1.5, Nitrided, G3L8565N , MPN: G3L8565N , UPC: 810131790523 , Code: 46Y-BMB-G2L5830N-G3L8565N
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, 6.5mm, 18x2, Nitrided, G3L8165N , MPN: G3L8165N , UPC: 810131790431 , Code: 46Y-BMB-G2L5830N-G3L8165N
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, .338, 18x1, Stainless, G3L8138S , MPN: G3L8138S , UPC: 810131790547 , Code: 46Y-BMB-G2L5830N-G3L8138S
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, 6.5mm, 18x1.5, Stainless, G3L8565S , MPN: G3L8565S , UPC: 810131790486 , Code: 46Y-BMB-G2L5830N-G3L8565S

American Precision Arms Gen 3 Little Bastard Self Timing Muzzle Brake Unavailable & Discontinued Models

List of Unorderable Models

  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, .30, 18x1, Nitrided, G3L8130N , MPN: G3L8130N , UPC: 810131790448 , Code: 46Y-BMB-G2L5830N-G3L8130N
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, 6.5mm, 5/8x24, Stainless, G3L5865S , MPN: G3L5865S , UPC: 810131790370 , Code: 46Y-BMB-G2L5830N-G3L5865S
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, 6mm, 18x1, Nitrided, G3L8160N , MPN: G3L8160N , UPC: 810131790424 , Code: 46Y-BMB-G2L5830N-G3L8160N
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, 6mm, 18x1.5, Nitrided, G3L8560N , MPN: G3L8560N , UPC: 810131790530 , Code: 46Y-BMB-G2L5830N-G3L8560N
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, .223, 5/8x24, Stainless, G3L5822S , MPN: G3L5822S , UPC: 810131790318 , Code: 46Y-BMB-G2L5830N-G3L5822S
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, .338, 5/8x24, Stainless, G3L5838S , MPN: G3L5838S , UPC: 810131790394 , Code: 46Y-BMB-G2L5830N-G3L5838S
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, .223, 5/8x24, Nitrided, G3L5822N , MPN: G3L5822N , UPC: 810131790301 , Code: 46Y-BMB-G2L5830N-G3L5822N
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, 6mm, 5/8x24, Stainless, G3L5860S , MPN: G3L5860S , UPC: 810131790363 , Code: 46Y-BMB-G2L5830N-G3L5860S
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, 6mm, 18x1.5, Stainless, G3L8560S , MPN: G3L8560S , UPC: 810131790493 , Code: 46Y-BMB-G2L5830N-G3L8560S
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, 6.5mm, 18x1, Stainless, G3L8165S , MPN: G3L8165S , UPC: 810131790561 , Code: 46Y-BMB-G2L5830N-G3L8165S
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, 30, 1/2x28, Stainless, G3L1230S , MPN: G3L1230S , UPC: 810131790295 , Code: 46Y-BMB-G2L5830N-G3L1230S
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, .45, 11/16x24, Stainless, G3L1145S , MPN: G3L1145S , UPC: 810131790417 , Code: 46Y-BMB-G2L5830N-G3L1145S
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, .338, 5/8x24, Nitrided, G3L5838N , MPN: G3L5838N , UPC: 810131790356 , Code: 46Y-BMB-G2L5830N-G3L5838N
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, .30, 18x1.5, Nitrided, G3L8530N , MPN: G3L8530N , UPC: 810131790516 , Code: 46Y-BMB-G2L5830N-G3L8530N
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, 6mm, 5/8x24, Nitrided, G3L5860N , MPN: G3L5860N , UPC: 810131790325 , Code: 46Y-BMB-G2L5830N-G3L5860N
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, .30, 18x1, Stainless, G3L8130S , MPN: G3L8130S , UPC: 810131790554 , Code: 46Y-BMB-G2L5830N-G3L8130S
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, .45, 11/16x24, Nitrided, G3L1145N , MPN: G3L1145N , UPC: 810131790400 , Code: 46Y-BMB-G2L5830N-G3L1145N
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, .223, 1/2x28, Nitrided, G3L1222N , MPN: G3L1222N , UPC: 810131790264 , Code: 46Y-BMB-G2L5830N-G3L1222N
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, .30, 5/8x24, Nitrided, G3L5830N , MPN: G3L5830N , UPC: 810131790349 , Code: 46Y-BMB-G2L5830N-G3L5830N
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, .30, 18x1.5, Stainless, G3L8530S , MPN: G3L8530S , UPC: 810131790479 , Code: 46Y-BMB-G2L5830N-G3L8530S
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, 6.5mm, 5/8x24, Nitrided, G3L5865N , MPN: G3L5865N , UPC: 810131790332 , Code: 46Y-BMB-G2L5830N-G3L5865N
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, .223, 1/2x28, Stainless, G3L1222S , MPN: G3L1222S , UPC: 810131790271 , Code: 46Y-BMB-G2L5830N-G3L1222S
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, .338, 18x1.5, Nitrided, G3L8538N , MPN: G3L8538N , UPC: 810131790509 , Code: 46Y-BMB-G2L5830N-G3L8538N
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, 30, 1/2x28, Nitrided, G3L1230N , MPN: G3L1230N , UPC: 810131790288 , Code: 46Y-BMB-G2L5830N-G3L1230N
  • American Precision Arms Little Bastard Gen 3 Self Timing Muzzle Brake, .30, 5/8x24, Stainless, G3L5830S , MPN: G3L5830S , UPC: 810131790387 , Code: 46Y-BMB-G2L5830N-G3L5830S
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