1.48" or 1.66" Square or Radius Rifling with Flared Plug
Calibers Available:
Size A = .32, .36, .40
Size B = .32, .36, .40, .45, .50
Size C = .32, .36, .40, .45, .50, .54, .58
Size D = .32, .36, .40, .45, .50, .54, .58, .62
*Special Order for Jim Chambers "Issac Haines Light" Kit
**Fits the Jim Chambers "Issac Haines" Kit