Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Government Export Restriction Government Export Restriction
Government Restriction Government Restriction
Questions & Answers
What caliber is it? It only specifies thread Manufacturer Answer

This brake is pilot bored to around .250". It will need to be bored by a gunsmith for the desired caliber.

by American Precision Arms, Manufacturer, January 15, 2025
Show In Stock Only
2 Models Available
Condition
All
Condition Details
All
Condition Quality
All
Search
Click to select this item for your bundle offer!

  • Select a specific model above to see the deal!
  • Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA
As low as $120.94
You Save Up to 10%
OP Bucks$2.68

made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for American Precision Arms Little Bastard Muzzle Brake

The LB is the little brother of the FB. they needed a smaller platform for rifles that couldn't handle a large brake. The LB can be turned down to .850" diameter to blend completely as if it were an integral part of the barrel on a non-magnum cartridge. Magnum cartridges should not be turned down. The brake should be left 1.0" in diameter and chamfered on the end to blend into the barrel.image

All of the require installation by a competent gunsmith. By properly fitting this brake you can achieve a perfect seamless fit on your rifle as well as perfect coaxial bore alignment. Please see the video for further information.

Specifications for American Precision Arms Little Bastard Muzzle Brake:

Manufacturer: American Precision Arms
Color: Stainless
Finish: Plaiin
Fabric/Material: Stainless Steel
Threads per Inch: 5/8x24
Model Generation: 1
Inner Diameter: 1 in
Outer Diameter: 1 in
Length: 2.225 in
Weight: 3.9 oz

Package Contents:

  • American Precision Arms Little Bastard Muzzle Brake

American Precision Arms Little Bastard Muzzle Brake Orderable Models

List of Orderable Models

  • USED, American Precision Arms Little Bastard Gen 1 Muzzle Brake, 5/8x24, G1L58GSS , MPN: G1L58GSS-EDEMO , Code: 46Y-BMB-F4GED-G1L58GSS-EDEMO-RE-A
  • American Precision Arms Little Bastard Gen 1 Muzzle Brake, 5/8x24, G1L58GSS , MPN: G1L58GSS , UPC: 810131791285 , Code: 46Y-BMB-F4GED-G1L58GSS
Compare (0)
Last updated 2026-10-14 UTC.