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apa muzzle brake
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  1. FN SCAR 20S
    Picking up my 6.5cm 20S on Thursday. Wanting to change the brake to an APA GEN 3 Fat Bas&@rd. From what I’ve read here (Please correct me if I’m mistaken) the 20S barrel is threaded 5/8-24. Has anyone here used an APA GEN 3 Fat Bas&@rd or APA GEN 3 Little Bas&@rd on their 6.5cm 20S? Can someone...
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