This is a little preview to the full-length video I'm working on about Slide Fire's SSAR-15 Bump Fire Stock.
This is a legal, inexpensive way to get a full-auto like experience on an AR-15.
Sharps-Borchardt M1878 Buffalo Rifle
Type 89 Knee Mortar
HK VP9: Does it Beat The Rest?
Maxim lMG 08/15 Zeppelin Defense Machine Gun