This guide details the analysis of the GB-357's blowback action using high-speed camera footage. It covers observing manual bolt cycling and the mechanics of casing ejection during live fire. The insights are derived from expert firearm designer Mark Serbu's demonstration, highlighting the firearm's internal modifications and performance characteristics.
You've reached the end! 1 videos loaded.
Gun Laws by State
Read firearms regulations for all 50 states + D.C.
Find Gun Dealers
Search licensed FFL dealers near you.
