Dedicated Mac-10 Barrel Threading .578 X 28 For .45 Acp Barrel

Barrel threading on any standard sized Mac-10 .45 acp barrel, threads of .578 x 28. We can cut back the barrel length, index it and thread it with a common .45 acp suppressor thread of .578 x 28 and finish with a small 45 degree crown. Send us your barrel only, removed from the upper receiver. Please call with any questions.