Muzzle break help I need help knowing what kind of drill bit to use. I have tried everything I can think of it doesn't touch it. Don't even get started is there a special kind I need to get or do I have a muzzle break that can't be drilled.
http://www.amazon.com/KNS-Precision-ST-Non-Rotating-154/dp/B00FIWEU8I/ref=sr_1_fkmr1_2?ie=UTF8&qid=1431307832&sr=8-2-fkmr1&keywords=anti+back+out+pins+ar
no rotating pins will do it buddy
Item Name: Item not for trade Please remove
Location: DULUTH GA
Item is for: Trade Only
Trade Value or Items Looking For: see description
Willing to Ship: No
Bill of Sale Required?: No
Item Description: I have finished my Sig XO 1911
new grips and a Spike spring cap
Sig Sauer 1911 XO...