The magic place for .30's.

RicinYakima

High Steppes of Eastern Washington
Using traditional bullet designs of about 200 grains, almost every full size .30 caliber likes the 1400 - 1450 f/s speed range. Not only 1/10 twist in the big cases, but 1/12 for 170's in the 30/30 and 115's in 1/20 for the 32/20. This is the first place I go when looking for accuracy in a 30 caliber.

Below is a target I shot with an original Newton in .30 USG (.30/06 in modern terminology) in the late 1990's, post front and Lyman 48 rear. It has the Pope-Newton "segmented rifling" system. Everyone who looked at the rifle thought the bore was worn out because there were no lands and grooves.

Pope Newton.png

So here is one of those days when the sky is bright, wind gentle and steady and you are shooting in the groove.

Newton group.jpg
 
Last edited by a moderator:

Ben

Moderator
Staff member
Can't tell a book just by looking at the cover.

Great shooting ! I have many days where I'm unable to do that with a 16 X scope.
 

Bret4207

St Lawrence river valley, NY
I passed on an original Newton once. Yup, still kicking myself on that decision...
 

JWFilips

Well-Known Member
Ric,
I that also called Medford rifling? When I slugged my Type 38 Arisaka I got scared because I disn't not see any rifling marks on the slug ( but visually it looked like rifling in the bore) Also a tight fitting patch feels strange ....like a smoothbore! The good thing is that it is very accurate so I don't think there is a problem with it
Jim
 

RicinYakima

High Steppes of Eastern Washington
Not really because the Medford curves are part of a circle, land and groove. The Pope-Newton is actually segments of an arc with the steep sides of the lands the driving sides. The graphic just doesn't show it very well.
 
Last edited: