This InRangeTV video conducts a rigorous mud test on the Swiss StG57/PE57 rifle, a roller-delayed blowback firearm. While the rifle initially malfunctions due to mud ingress in the charging handle slot, it demonstrates a 'self-healing' capability as the mud dries and is pulverized, allowing it to cycle reliably again, similar to the G3.
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.
