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55gr, 62gr, 77gr... makes no difference for me
- Thread starter Jayne
- Start date
- Replies 49
- Views 1,823
If it makes you feel better watch this video of some New Jersy cop shooting at 25 yds. Have you tried any other stocks? It is nearly impossible for me to get a decent cheekweld on the Magpul SL stocks.
http://www.news12.com/story/37652901/nj-lawmakers-hold-demonstration-showcasing-power-of-ar-15
http://www.news12.com/story/37652901/nj-lawmakers-hold-demonstration-showcasing-power-of-ar-15
Sen. Menendez says that he fully supports banning weapons of this caliber for civilian use.
“I don’t believe that this is what you need to go hunting. I don’t believe that this is what you need to defend yourself,” Menendez said. “The only thing this does is kill as many people as possible in as short a time as possible.”
Well, with that attitude, I don’t believe you are a US citizen, Mr. Menendez.
Last edited:
Ikarus1
Avtomat Krishna-kov
Oh he is. And he took an oath to defend the Consitution. Until this part of serving as a congresscritter is enforced, this will continue.
I say they get 3 strikes and then capital punishment should ensue, at the end of a nice piece of hemp rope.
OP
Tried a few more loads out today, think I'm getting closer to the magic bullet, er powder.
Shooting 5 shot groups at 100 yards:
55gr American eagle factory - 2.6"
55gr Wolf factory - 2.2"
55gr Hornady w/24.0gr Benchmark - 1.9"
55gr Hornady w/24.5gr Benchmark - 1.8"
77gr SMK w/23.0gr Varget - 2.2" (wind was moving the target around, a single 2.9" group really screwed this one up!)
77gr SMK w/23.5gr RE-15 - 1.5"
The RE-15 load was noticeably softer than the varget load (need to get the chrono out to quantify). I really like that load, the way it recoils and how predictable it was. It's toward the middle of the load range in the manual so I'll probably just load a bunch of them at at +/- 0.5gr and see what that does. Good thing it likes RE15, I'm out of Varget!
I also, and this was the hardest part of the day, tossed all the brass I was using for this testing. After 4 loadings the rims were getting pretty dinged up, they were starting to stick in the shell holder in both the dies and the priming tool and were generally a pain in the ass to work with. I was full sizing and trimming them each time, and they weren't growing all that much. Some had some dings in the body and neck at this point though. Gas guns are hard on brass? I can see that.
I've got some once fired FC I'll use for the next batch of testing.
Also also, I was shocked at how fast the gun went from 100% function to basically a single shot I had to dork with every time. After the accuracy testing I was doing some plinking and the rifle just quit running. Different ammo, mags, nada, it would just not cycle at all or feed worth anything. I lubed it and then it was back to 100%. Scary though, it didn't give me any sort of indication it was about to go south. Looks like 250 rounds is about all it can go between cleanings per the ammo tracker spreadsheet.
Shooting 5 shot groups at 100 yards:
55gr American eagle factory - 2.6"
55gr Wolf factory - 2.2"
55gr Hornady w/24.0gr Benchmark - 1.9"
55gr Hornady w/24.5gr Benchmark - 1.8"
77gr SMK w/23.0gr Varget - 2.2" (wind was moving the target around, a single 2.9" group really screwed this one up!)
77gr SMK w/23.5gr RE-15 - 1.5"
The RE-15 load was noticeably softer than the varget load (need to get the chrono out to quantify). I really like that load, the way it recoils and how predictable it was. It's toward the middle of the load range in the manual so I'll probably just load a bunch of them at at +/- 0.5gr and see what that does. Good thing it likes RE15, I'm out of Varget!
I also, and this was the hardest part of the day, tossed all the brass I was using for this testing. After 4 loadings the rims were getting pretty dinged up, they were starting to stick in the shell holder in both the dies and the priming tool and were generally a pain in the ass to work with. I was full sizing and trimming them each time, and they weren't growing all that much. Some had some dings in the body and neck at this point though. Gas guns are hard on brass? I can see that.
I've got some once fired FC I'll use for the next batch of testing.
Also also, I was shocked at how fast the gun went from 100% function to basically a single shot I had to dork with every time. After the accuracy testing I was doing some plinking and the rifle just quit running. Different ammo, mags, nada, it would just not cycle at all or feed worth anything. I lubed it and then it was back to 100%. Scary though, it didn't give me any sort of indication it was about to go south. Looks like 250 rounds is about all it can go between cleanings per the ammo tracker spreadsheet.
My load with 77gr and RE15 is 23.6gr.
Loading at half grain increments is fine for finding a node but you’ve got to go smaller to fine tune it.
Loading at half grain increments is fine for finding a node but you’ve got to go smaller to fine tune it.
OP
Yea, looking at the load data for my 308 you can see where I was walking entire ranges at .1gr increments, 20 rounds at each. Back when I would spend an entire day at the range shooting over the chrono and changing targets all the time. Guess that was officially my hobby.
.223 can be a little pickier with almost half the case capacity
For the 62gr Barnes TTSX load I just finished up, I found a node between 24.1 and 24.4gr while testing at .3gr intervals so I went back and tested them again and the increments in between.
For the 62gr Barnes TTSX load I just finished up, I found a node between 24.1 and 24.4gr while testing at .3gr intervals so I went back and tested them again and the increments in between.
