Throat angle

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BATattack
Posts: 905
Joined: Mon Dec 29, 2008 10:29 pm

Throat angle

#1 Postby BATattack » Mon Jan 15, 2018 12:22 pm

With the newer VLD and hybrid type bullets what is the ideal throat. Throat angle as defined by PTG reamer print as I'd call it the lead angle but they'd know better.

Also two other measurements which seem obsolete to me are the length from boltface to "throat" and the diameter given at that datum. Wouldn't that length and diameter be a result of the lead length and throat angle making those measurements redundant?

Matt P
Posts: 1223
Joined: Mon Nov 14, 2005 8:22 pm

Re: Throat angle

#2 Postby Matt P » Mon Jan 15, 2018 12:38 pm

The "standard" PTG throat angle is 1.5, I've been using 2.5 with no ill affects on accuracy and longer throat life.
Matt P

Gyro
Posts: 205
Joined: Sat Jun 10, 2017 2:44 pm
Location: New Zealand

Re: Throat angle

#3 Postby Gyro » Mon Jan 15, 2018 3:23 pm

That's a big call Matt. Do tell all please. Regards Rob Kerridge.


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