Suppressors Spec MK12 SPR barrel drawing

[Servicerifle1]

Does anyone have the correct dimensions for the OPS inc collar step on the mk12 on digits?

A drawing would be great.

Thanks in advance

 

[Bacarrat]

Re: Spec MK12 SPR barrel drawing

http://www.ar15barrels.com/prod/spr.shtml

 

[Servicerifle1]

Re: Spec MK12 SPR barrel drawing

Thank you very much