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Mikecr's latest activity
Mikecr
replied to the thread
COAL using CBTO from Hornady OAL gauge significantly shorter than book COAL?
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Why the Hornady OAL tool? To find touching COAL there is the simple split neck method, the cleaning rod method, bolt disassemble & sneak...
Mar 29, 2024
Mikecr
replied to the thread
COAL using CBTO from Hornady OAL gauge significantly shorter than book COAL?
.
No, your COAL is whatever YOU choose, given local components (chamber throat, bullets). Nobody at Sierra knows what your choices are.
Mar 27, 2024
Mikecr
reacted to
ntsqd's post
in the thread
Does a gunsmith know when a barrel will shoot?
with
Like
.
When I worked at a racing engines machine shop the owner would occasionally remark "This one is going to make power". They all made...
Mar 26, 2024
Mikecr
replied to the thread
Does a gunsmith know when a barrel will shoot?
.
In the big shooting world, most people cannot load develop to a barrel's potential. There would need to be a bunch of qualifiers on that...
Mar 26, 2024
Mikecr
reacted to
KsKevin's post
in the thread
Does a gunsmith know when a barrel will shoot?
with
Like
.
For a hunting rifle I’d say a 1/2” MOA is impressive if done as a 3 shot group where each shot is a cold bore shot done on separate days...
Mar 26, 2024
Mikecr
replied to the thread
Reading Pressure
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I can't watch the video from here, but high pressure, and pressure 'problems' are separate and different. With a plan, you can build a...
Mar 25, 2024
Mikecr
replied to the thread
Failures in fireforming
.
The brass was fired in a chamber having excessive clearance, and then if sized way back down (before your firing), it work hardened...
Mar 25, 2024
Mikecr
reacted to
MagnumManiac's post
in the thread
Neck tension
with
Like
.
Again, neck tension is NOT governed by interference numbers…it is the HARDNESS of said brass and alloy content. To those questioning...
Mar 19, 2024
Mikecr
reacted to
cape cove's post
in the thread
Neck tension
with
Like
.
Very true. The bullet acts as an expander, which it was not designed to do, and simply expands the neck and you end up with bad run-out...
Mar 19, 2024
Mikecr
replied to the thread
Neck tension
.
I see process annealing as stress relieving (aka regular annealing I guess). It's not full annealing. Full annealing kills brass for our...
Mar 18, 2024
Mikecr
replied to the thread
Neck tension
.
Why? Because of load development with soft brass, having low neck tension? Because of over-working brass through excess sizing? Let me...
Mar 18, 2024
Mikecr
replied to the thread
Neck tension
.
When you guys talk about interference of 3-4thou, is that for FL of necks, or partial length sizing? For what cal? Given the differences...
Mar 14, 2024
Mikecr
reacted to
johngibbs222's post
in the thread
Is my choice the most effective 223 bullet for longer range?
with
Like
.
Mikecr, I don't object to efforts to crush my morale, it's all part of life's rich tapestry. I hope you make it to 80 then you'll...
Mar 14, 2024
Mikecr
replied to the thread
Is my choice the most effective 223 bullet for longer range?
.
It makes no sense to challenge yourself so much at your age. I say call it a 500yd gun and put a 500yd scope on it. Go from there. Or...
Mar 13, 2024
Mikecr
replied to the thread
Neck tension
.
1. Like MagnumManiac said, interference is NOT tension, as force is not expressed in inches. 2. Friction is independent and different...
Mar 13, 2024
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