APA Little Tuna Thread Diameter:5/8 9 oz with screws and

9 oz with screws and wrench

This brake is meant for Larger barrels that are generally required by the 338 Lapua

Make sure the threads on the brake body are clean and clear of all debris

Comically named after a “small but mighty” situation

APA Little Tuna Thread Diameter:5/8 9 oz with screws andIncrease Accuracy Tune Factory Loads The APA Little Tuna is a product of a partnership between APA and Adaptive Tuning Systems (ATS). This tuning device attaches directly to the APA Little Bastard. Simply replace your existing jam nut with the Tuna nut and youre ready to start finding the node your ammo wants. Whether your barrel is speeding up post break in or temperature swings have influenced your load at a match. Or maybe you really just want to