Inception Designs Autococker Beavertail - Polish Black gas rifles The M4 RIS EC2 Nylon

The M4 RIS EC2 Nylon Fiber is Classic Army's entry level carbine

690 micron finish

or a carbon rube wraped in carbon fiber

*Enhanced eye operation

This is a really nice barrel for the AR:K

Inception Designs Autococker Beavertail - Polish Black gas rifles The M4 RIS EC2 NylonThis low profile beavertail is designed to be as short as possible. It can be easily adjusted for length, can be locked down to prevent it slipping (without the use of loctite) and can be used for all full body (guns with back blocks) Autocockers and Snipers to prevent thumbing of the cocking rod and to prevent the back block from smacking the user in the face during use. Comes with a stainless steel shaft, angled rear section in polished black and