nralifer
Well-Known Member
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Improving the 308 Win performance
- Thread starter nralifer
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Update on the 150 BD2
Range Austin Rifle Club, 200 yards
RIifle: M1A, FA762SS can, NXS 2.5-10..
Lapua Palma, Virgin
FGMM 205MAR
LVR 47 -49.5
Pressure test, lowest to highest from 47 on to 49.5
In addition to pressure testing the 150 BD2, did load work on the suppressed 18 inch 300WM. Two scales in the stat house helps. Ran LVR in the V3, H1000 in the V4 for the 300WM.
Update on the 150 BD2
Range Austin Rifle Club, 200 yards
RIifle: M1A, FA762SS can, NXS 2.5-10..
Lapua Palma, Virgin
FGMM 205MAR
LVR 47 -49.5
Pressure test, lowest to highest from 47 on to 49.5
In addition to pressure testing the 150 BD2, did load work on the suppressed 18 inch 300WM. Two scales in the stat house helps. Ran LVR in the V3, H1000 in the V4 for the 300WM.
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I will continue working on the precision some other time. I did a quick check on pressure in the 93 degree, loaded 3 rounds of the 49.5. It seems to be OK, no crazy velocity, then again just 3 shots. More work....
DT, disregard
Your velocity from your 308 18" rig is within 10FPS of where I was in my 18". My elevation here at the range is about 2300 and humidity very low.
shootnpoke
Well-Known Member
Velocities are pretty darn impressive to me, especially from an 18" gas gun. Still waiting for the 135gr to become available. Hopefully in time to do a load workup before hunting season.
Same M1a, standard length barrel, 22 inch bareel
Palma brass, FL, not expanded
FGMM 205MAR
LVR 49.5 TO 51.0
124 HH
It's 1818 CST, calling it quits for the day
Palma brass, FL, not expanded
FGMM 205MAR
LVR 49.5 TO 51.0
124 HH
It's 1818 CST, calling it quits for the day
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M1a has 22 inch barrel. The 18 inch is the suppressed 300WM. I opted not to publish the 300WM data on this thread.
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shootnpoke
Well-Known Member
My bad! I guess JAYgs' post confused me. Not a difficult thing to do these days! Hope I can get near those velocities with some Hammer HHT 154s I have loaded to test but haven't had time to get to the range.
Confused me also. 
Nez, how many projects you got going? Just saw your 6 ARC on YouTube.
Sounds like you need a thread on the 300WM.
5.56 M1 Garand, (3X) 338 NM, 6ARC, heavy contour barrel M1A. Almost forgot, 15 barrels for the TX JRS.
When you send me my package, need a small bottle of your energy, please.
Where did you get that little CBTO gauge on your caliper? Looks very simple to use!
