| Waidmannsheil |
| (.400 member) |
| 24/05/20 03:02 PM |
Re: A superb Mauser Take-down in 450 Rigby By WR
|
Tinker, it will be either an ACME or a Trapezoidal thread. Never a square thread. For a square thread it must have side clearance and therefore it would have end float.
Matt.