Dpms 308 barrel tenon dims

[Spook]

anyone know the barrel tenon dimensions DPMS uses for the 308 barrel extension?

[tp555]

You want the rear thread or front?

[Spook]

Rear Please it looks an awful lot like 1" X16 tpi with a shank length of about 1.325?ish?

[tp555]

Yes thats it.Thread is 16tpi and L is 1.325". Cut down to .935" for about .3" from the end.Same for clearance at the shoulder which can be 1/8 from the edge.

[Spook]

Thanks:smile: