Smokinyotes
Member
Just wondering what the max and min case trim lengths are on 7lrm
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7LRM case trim length
- Thread starter Smokinyotes
- Start date
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jgal72
Well-Known Member
Max 2.514" Trim to 2.504"
Smokinyotes
Member
Smokinyotes
Member
Thanks
I would bet that the chamber end is longer than the max specification. Why not determine the trim specification yourself?
Here are two ways to find out.
1)Use the working drawing of the reamer that made your chamber.
2)Use chamber plugs and actually measure the distance.
http://www.sinclairintl.com/reloadi...s/sinclair-chamber-length-gage-prod32925.aspx
video on how to use them:
I am sure you hate case trimming as much as the rest of us. Why trim if you don't have to? Get the actual distance to end of the chamber and trim for clearance of .010" or so. Some chambers are so long the brass doesn't need trimming for its useful life!
Here are two ways to find out.
1)Use the working drawing of the reamer that made your chamber.
2)Use chamber plugs and actually measure the distance.
http://www.sinclairintl.com/reloadi...s/sinclair-chamber-length-gage-prod32925.aspx
video on how to use them:
I am sure you hate case trimming as much as the rest of us. Why trim if you don't have to? Get the actual distance to end of the chamber and trim for clearance of .010" or so. Some chambers are so long the brass doesn't need trimming for its useful life!
