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JKP
Senior MemberPosts: 2,270 Senior Member
Range Report - AR-10T and 6x45mm AR
JKP
Senior MemberPosts: 2,270 Senior Member
Got out yesterday mainly focused on working up a load for the recently built 6x45mm AR plus brought along my AR-10T to shoot while cooling the barrel on the 6 x45mm.
I shot the AR-10 using the bipod and a rear rest. Not stellar results, but I imagine better groups could be had with a fixed front rest. I will probably work up a load for this rifle soon anyway.
For the 6x45mm I went with something close to what Zee had good luck with - 85 gr Sierra spitzer over Benchmark powder. Started at 25.4gr and worked up to 26.0.
First 3 groups:
Started to get accurate at 25.8 then 26.0:
I've got some HPBT bullets on the way and will likely load them in the 25.8-26.2 gr range. Hopefully I won't have to mess with different powders to reach 0.5" or less.
Commentary - first three shots from the 25.8 gr and 26.0 gr loads would have suggested higher levels of accuracy. That's why I shoot five!
I shot the AR-10 using the bipod and a rear rest. Not stellar results, but I imagine better groups could be had with a fixed front rest. I will probably work up a load for this rifle soon anyway.
For the 6x45mm I went with something close to what Zee had good luck with - 85 gr Sierra spitzer over Benchmark powder. Started at 25.4gr and worked up to 26.0.
First 3 groups:
Started to get accurate at 25.8 then 26.0:
I've got some HPBT bullets on the way and will likely load them in the 25.8-26.2 gr range. Hopefully I won't have to mess with different powders to reach 0.5" or less.
Commentary - first three shots from the 25.8 gr and 26.0 gr loads would have suggested higher levels of accuracy. That's why I shoot five!
Replies
Words of wisdom from Big Chief: Flush twice, it's a long way to the Mess Hall
I'd rather have my sister work in a whorehouse than own another Taurus!
Funny you should post this today, Saturday I shot my 6X45 for the first time. I also had Sierra 85gr BTPH loaded over Benchmark. I had planned to shoot my LR308 and see which load I had made up of likes best. I ran short of time for the .308.
Dad 5-31-13
How did it shoot?
My groups looked similar to what JKP posted. The 25.6 and 25.8gr loads showed definite promise, except for the trigger nut was loose. Way loose.
Dad 5-31-13
Got that right Big Chief!!!!!!!!!!!!!!!!:that::agree:
I don't think so - all shots felt consistent. It was raining but I doubt that introduced that much change.
Admittedly my front rest isn't as solid as that anvil you use...