Gun Photos: 20 HOT AR-15s


Piston-Driven AR

Image 1 of 20

Piston systems do not make gas go away. They merely vent it in different locations. Here, the gas is venting directly behind the front sight, as it is meant to. Photo from Gun Digest Book of the AR-15, Vol. III

Need Gifts? Check Out the New Gun Digest Easy Gift Guide

Free Download: Learn about AR 15 Piston Conversion Kits – get the AR 15 Piston Primer!


This site uses Akismet to reduce spam. Learn how your comment data is processed.