The bizarre Kretz bicycle chain rifle with firearm and weaponry expert, Jonathan Ferguson
This guide details the unique operation of the Kretz Rifle, a conversion of the Pattern 1913 rifle. It explains the 'blow-forward' gas system utilizing a muzzle cup and a complex bicycle chain drive linked to clock springs in the buttstock for cycling. The guide also covers the straight-pull bolt conversion and safety features, drawing on expert analysis from Jonathan Ferguson of the Royal Armouries.





