You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an alternative browser.
You should upgrade or use an alternative browser.
500 Yard Rifle
- Thread starter Gumby4
- Start date
allaroundhunter
New member
jimbob86, do you think a 168-gr. bullet leaving a .308 Win. case then going out the muzzle at 2800 fps can do so with normal, safe 52,000 CUP (62,000 PSI) peak pressures? That fast seems a bit too much to me for 22 or 24 inch barrels.
That is about the speed I am getting from max charges and a 26" barrel. I would be hesitant to try to push them that fast from a shorter barrel, but if you work a load up to that point without pressure signs then I wouldn't disagree with its use.
jimbob86, do you think a 168-gr. bullet leaving a .308 Win. case then going out the muzzle at 2800 fps can do so with normal, safe 52,000 CUP (62,000 PSI) peak pressures? That fast seems a bit too much to me for 22 or 24 inch barrels.
That was what Speer claimed for a comperessed load of RL15 out of a Rem 700 w/ a 22' barrell ..... Optimistic, probably.
The point remains valid, and even more so using a more realistic MV, though: With a .308WIN time of flight is too long for 500yd shots at game unless the animal is bedded..... and not even then, unless the shooter knows his range, wind dope and trajectory exactly.....
Just how accurate/exact are "pressure signs?"
What standards or specs are there for them?
I've shot hundreds of 7.62 NATO proof loads (65,000 CUP) and none of their fired cases looked any different than the same case, powder charge and primer used in standard loads (50,000 CUP). Standard load used a 147 gr bullet, proof load used a 172 gr bullet.
What standards or specs are there for them?
I've shot hundreds of 7.62 NATO proof loads (65,000 CUP) and none of their fired cases looked any different than the same case, powder charge and primer used in standard loads (50,000 CUP). Standard load used a 147 gr bullet, proof load used a 172 gr bullet.
Last edited: