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Powder choices (among what I have lol) for 123 gr bullets
#6
Just before I saw this I got a notification from Powder Valley that the 120 grain Sierra Pro Hunters just came in stock.

1. Chrono is in the works. I appreciate that velocity range to be looking for.

2. SOLGW Competition trigger with 4.5lb springs. I have been thinking about swapping it out with one of my LaRue or Rock River 2 stage triggers from another lower. I am using a Burris Veracity PH 4-20x50 scope on a Midwest 20moa mount. The scope has level and cant sensors as well. I mount using an in/lb torque wrench, bubble and an electronic angle level. It is probably the best scope I own.

3. I we'll have to check my notes but off the top of my head I'm going to say I have not tested the range of overall length at 31 grains I believe that will be my next step. I'm waiting for a new caliper to come as my old school doll caliper that measured into the thousandths recently failed and I have been using a less expensive hundredths caliper.

4. I am using the BCM A5 style setup for buffer length, spring and 5.6oz buffer weight. I have also tweaked the adjustable gas block such that with no suppressor I have opened it just enough to cycle the action since with a suppressor I do obviously get more gas through the system.
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Powder choices (among what I have lol) for 123 gr bullets - by v4lu3s - 01-24-2024, 05:41 PM

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