The M16A2 buttstock is about five/8" of an inch extended then the earlier types. Due to the enhanced duration it employed a longer buttstock screw and also a spacer. The swivel is mounted closer to your buttplate. This buttstock is at present used on the M16A4: So far as viewing https://eduardoxtxfg.total-blog.com/little-known-facts-about-colt-python-6-for-sale-56591357