ARMORER'S AR15 PIN PUNCH SET WITH PIN ALIGNMENT TOOL This advanced kit includes every standard and roll pin punch needed to build or work on an AR15. A perfectly balanced hammer along with our proprietary pin alignment tool makes starting tiny pins easy and accurate. All in a modern stand-up case. A remarkably frustration-free experience - even for sausage fingers. Products not manufactured by CMMG are not covered by our Lifetime Quality Guarantee and would be covered under the original manufacturer's warranty.