This will be frequently updated.
Overall length from barrel tip to buffer tube end is 30 1/4"
Overall length from barrel tip to body is 23 1/2"
Muzzle break threads- 7/8x20 .625 in length from tip.
Grip threads- 1/4x20
Barrel threading- Autococker trim .25 from breach side and bore to .885 @ .250 deep
Rail mounting holes- 1 inch spacing 10/32 threads.
SR1 modified barrel- left, standard Cocker barrel- Right