Quarterbore's Forums - Dpms 308 barrel tenon dims

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Spook

12-21-2009 06:05 PM

Dpms 308 barrel tenon dims

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

tp555

12-22-2009 07:35 AM

You want the rear thread or front?

Spook

12-22-2009 11:33 AM

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

tp555

12-23-2009 07:26 AM

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

12-23-2009 10:35 AM

Thanks:smile:

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