Precision machined from ordnance quality steel and designed to interface in close tolerance Using the aluminum stock chassis. Hand to set off placement pretty near Look at the competitors hand how far-off the pistol grip is in the set off guard Posted by Mike Draper on May possibly 11th 2011 https://sageebrchassis07406.verybigblog.com/29088428/not-known-details-about-sage-m1a-chassis