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Posted: 3/21/2006 12:41:11 AM EDT
I am going to be taking my Ruger Gp-100 out shooting in the next couple of weeks. I think I am just going to buy a bunch of .38 ammo since its on sale around here. When I have the gun sighted in for .357 and shoot .38's if I remember correctly the used to shoot low. Has anyone else notice this. If I recall they used to be alomost 4-5 inches low at 25 feet. How much would I have to move the rear sight just to get my started.
Link Posted: 3/21/2006 6:29:35 AM EDT
I was shooting a mixed cylinder of .357, .38+p, and .38 wadcutter at a 25 yard bullseye target as a recoil exercise. I was able to hold the black with all the rounds, but the wadcutters were hitting about 4" lower than the .357's.
Link Posted: 3/21/2006 8:15:26 AM EDT
When shooting within 21 feet at least I notice no drop.
Link Posted: 3/21/2006 4:30:57 PM EDT
I have a GP-100 and I don't notice the drop also. Even at more than 25 ft. But then again I reload my ammo. The .38 SPL. ammo I reload is at +P level and sometimes +P+. With Rugers robust frame, the +P and +P+ level are like a mild .357 Mag. load. Sorry but I have not shot commercial loads in my Ruger for at least several years now. The only thing I can think of is that the .38 SPL load you are using could be watered down. Meaning lower in velocity hence the bullet is already dipping.
Link Posted: 3/22/2006 2:10:49 PM EDT
[Last Edit: 3/22/2006 2:12:14 PM EDT by AZ-Dave]
In my experience, most all handguns will shoot different ammo to different point of impact---whether its different bullet weight within the same caliber or switching caliber, like 38's in a 357, or 44 special in a 44 mag--------velocity and recoil impulse all play into this-----thats why shooting 110 grain 357's have a different POI than 158 grainers.
With some firearms, the change between POI seems much less than with other--but with magnum (357)compared to non-mag(38)--the change can be pretty dramatic.
Link Posted: 3/24/2006 4:14:19 PM EDT
Come to think about it was wadcutters I was shooting.


Link Posted: 3/25/2006 5:21:11 PM EDT
once i shot a cylinder threw my 6 inch gp 100 with 8 special,i was board to tears.shoot hot 357 mags man.But moma,thats were the fun is.tap tap tap tap tap tap.dot dot dot dot ndot,tee tee tee tee tee do da dey!
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