American precision arms has combined the standards of high-level performance and reliability.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.*note- made for a barrel diameters of.750 to 1".The gen 3 little bastard can handle magnum cartridges.Includes- set screws, allen wrench and a single-use threadtite.

Finish: Black Nitride
Model: Gen 3 Little Bastard
Material: Stainless Steel
Thread Pattern: 5/8"-24 tpi