The M16A2 buttstock is about 5/8" of an inch extended then the sooner styles. As a result of enhanced duration it employed a longer buttstock screw plus a spacer. The swivel is mounted closer towards the buttplate. This buttstock is now used on the M16A4: He claimed the barrel is https://colt-combat-elite-command78999.azzablog.com/31344709/colt-python-6-for-sale-an-overview