Bwild What is the profile of those 123 Nosler CC's? Can you seat them mag length?
More Chrony reports!! ((WARNING!)) lots of pics.
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Nice shooting. Just curious, why are you using the 120 SMK vs. the 123?NRA life, GOA life, SAF, and TSRA
"I ask, Sir, what is the militia? It is the whole people, except for a few public officials. To disarm the people is the best and most effectual way to enslave them."
George Mason, co-author, 2nd Amendment.
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Originally posted by rasp65 View PostBwild What is the profile of those 123 Nosler CC's? Can you seat them mag length?
If you have an extra projectile you don't mind parting with, this is one LRRPF52 still needs for the collection.
Here is an updated list of projectiles ranging from 85gr-130gr. Since a few hunters have seen great results with 140gr bullets, and the 160gr are the go-to pills for subsonic use, we'll include everything. Click on the dropbox link for a more comprehensive list, which is evolving as we discover more and more projectilesNRA life, GOA life, SAF, and TSRA
"I ask, Sir, what is the militia? It is the whole people, except for a few public officials. To disarm the people is the best and most effectual way to enslave them."
George Mason, co-author, 2nd Amendment.
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Bwild What is the profile of those 123 Nosler CC's? Can you seat them mag length?
Left to right: 130g Norma Gold Target, 130g Berger Target VLD, 123g Nosler Custom Competition, 120g Sierra Match King, 100g Hornady A-max
why are you using the 120 SMK vs. the 123?
If you have an extra projectile you don't mind parting with, this is one LRRPF52 still needs for the collection.
Nice shooting.
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Originally posted by Bwild97 View PostPrice! $124.40/500 vs. $153.94/500
!NRA life, GOA life, SAF, and TSRA
"I ask, Sir, what is the militia? It is the whole people, except for a few public officials. To disarm the people is the best and most effectual way to enslave them."
George Mason, co-author, 2nd Amendment.
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Gunner, In light of your question on col, I had to revisit Rasp65s' method of measurement. Recent events have had me questioning whether or not I was getting a true measurement to the lands; so I modified and revised the method to to satisfy my cuirosity.
My method (The short of it) : with a sized case, seat a bullet so that the boattail is below the neck, lock bolt back, chamber the case by hand, release bolt, remove case and measure. I performed the procedure 5 times, and got exact same measurements every time.
With a 120g SMK, the COL to the lands for (my barrel) is 2.312" and for the 130g NORMA Gold Target "LTL" is 2.398"
I would be glad to give more detail and pics if any one is interested in trying this for them selves!!Last edited by Guest; 05-05-2012, 07:45 AM.
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Hmmm. Interesting. Does your rifle have a true Grendel chamber? I always thought the 120s couldn't be seated to mag length.
I'm now considering trying the 120s. I backed off the 123s mainly because of cost and switched to Hornadys. The Hornadys are doing well but I like to have multiple options and data collected for them in case there is a shortage of one component or another.NRA life, GOA life, SAF, and TSRA
"I ask, Sir, what is the militia? It is the whole people, except for a few public officials. To disarm the people is the best and most effectual way to enslave them."
George Mason, co-author, 2nd Amendment.
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Originally posted by Bwild97 View PostWith a 120g SMK, the COL to the lands for (my barrel) is 2.312" and for the 130g NORMA Gold Target "LTL" is 2.398"
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Originally posted by txgunner00 View PostHmmm. Interesting. Does your rifle have a true Grendel chamber? I always thought the 120s couldn't be seated to mag length.
I'm now considering trying the 120s. I backed off the 123s mainly because of cost and switched to Hornadys. The Hornadys are doing well but I like to have multiple options and data collected for them in case there is a shortage of one component or another.
RR
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Does your rifle have a true Grendel chamber?
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Originally posted by Bwild97 View PostYes it is a SAAMI chamber, but I'm thinking that the throat is just a tad tight. When I chamber a 120g load or any load other than the 130g seated to 2.265, I am unable to easily remove it from the chamber, and thinking that it was stuck in the lands. But after removing the projectile from the chamber, I noticed the absence of land marks on the projectile; This had me wondering WTH is going on. So I resorted to the "brute force" method of getting COL to the lands. Now I am wondering... is this an anomaly in my barrel or is this normal?
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Can you see any evidence of rubbing on the neck or case body? Or evidence of rubbing on the bullet not attributable to engraving on the lands?
Some bullets are a tad more stiff than others, so the outside diameter of the neck might be a bit larger than normal. One might be able to measure the neck O. D. for both the ones that work OK and the ones that stick. That might also help tell whether it is the chamber neck.
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Regarding cartridges that are tight and sticking in the chamber, color a dummy round (case and bullet without primer and powder) using a black Sharpie pen, then chamber it. There should be tell-tale marks showing which part of the cartridge is encountering the tight fit. (Some markings will be normal.)Drifter
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