Sierra 150g Gameking VS 180g Remington Core-loct
- Thread starter Dultimatpredator
- Start date
Dultimatpredator
Well-known member
Ive got a winner! I took 5 of the 180g Core-loct loads to the range today. I shot in groups of 3 as follows:59g of IMR 4831,58g of H4350, 62g, 61.5g, and 61g of Reloader 22. The IMR gave me a group of .455" at 100 yards. It looked like one big clover since the middle of the three shots was blown out. That's a hair tighter that the best Sierra group(.5") I've shot out of this rifle. I wasnt expecting this good of a group compaired to Seirra (what I thought was a better quality built projectile). Not bad for a Rem 7600. I never measured the other powder groups above but were all in the 1.5-2" range. None of the loads showed signs of pressure but boy did the top to loads of RE22 kick! Core-locts here we go!
Dultimatpredator
Well-known member
I did it! Finally figured out how to post pics! Its a double take by accident. What do you think coming from a an old Rem 7600?
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kyotekiller25
Well-known member
Sierras are pretty "explosive" game bullets IMO.
I've seen a few in action, mainly .257", 7mm, and .308" versions.
Every Sierra gameking I've shot into wet newspaper has lots its lead core. I stopped being surprised by that a long time ago. They do kill deer and coyotes very very good though. Sometimes you get an exit, sometimes you dont...They have a very soft jacket and plus the boat tail doesn't help the bullet hold together any better, IMO.
The core lokt is heavier and a flat base construction, so penetration should be greater, as you've noticed. Also the impact velocity of the 150g is going to be higher out to 300 yards or so then the 180g. That also does not help the expansion/penetration of the soft 150g gameking.
I have however shot the 180g CL from a 300 WIn mag and was less then impressed with what I found in the wet newspaper. The 180g CL was flat as a pancake and weigt retention was about 45-50%. Not any better then a gameking in other words..
If it came down to it, I would rather use a gameking then a core lokt anyday of the week.
A better comparison for you would be to maybe take the 180g gameking instead and compare it to the effectiveness of the 180g CL. Comparing a 150 vs. 180 is like apples and oranges almost..
Anyways, at the working velocity of the 06, the 180g CL is a great bullet. AT magnum speeds, its no better then a ballistic tip or a gameking though...Best of luck to ya!!
I've seen a few in action, mainly .257", 7mm, and .308" versions.
Every Sierra gameking I've shot into wet newspaper has lots its lead core. I stopped being surprised by that a long time ago. They do kill deer and coyotes very very good though. Sometimes you get an exit, sometimes you dont...They have a very soft jacket and plus the boat tail doesn't help the bullet hold together any better, IMO.
The core lokt is heavier and a flat base construction, so penetration should be greater, as you've noticed. Also the impact velocity of the 150g is going to be higher out to 300 yards or so then the 180g. That also does not help the expansion/penetration of the soft 150g gameking.
I have however shot the 180g CL from a 300 WIn mag and was less then impressed with what I found in the wet newspaper. The 180g CL was flat as a pancake and weigt retention was about 45-50%. Not any better then a gameking in other words..
If it came down to it, I would rather use a gameking then a core lokt anyday of the week.
A better comparison for you would be to maybe take the 180g gameking instead and compare it to the effectiveness of the 180g CL. Comparing a 150 vs. 180 is like apples and oranges almost..
Anyways, at the working velocity of the 06, the 180g CL is a great bullet. AT magnum speeds, its no better then a ballistic tip or a gameking though...Best of luck to ya!!
Dultimatpredator
Well-known member
Quote:
Sierras are pretty "explosive" game bullets IMO.
I've seen a few in action, mainly .257", 7mm, and .308" versions.
Every Sierra gameking I've shot into wet newspaper has lots its lead core. I stopped being surprised by that a long time ago. They do kill deer and coyotes very very good though. Sometimes you get an exit, sometimes you dont...They have a very soft jacket and plus the boat tail doesn't help the bullet hold together any better, IMO.
The core lokt is heavier and a flat base construction, so penetration should be greater, as you've noticed. Also the impact velocity of the 150g is going to be higher out to 300 yards or so then the 180g. That also does not help the expansion/penetration of the soft 150g gameking.
I have however shot the 180g CL from a 300 WIn mag and was less then impressed with what I found in the wet newspaper. The 180g CL was flat as a pancake and weigt retention was about 45-50%. Not any better then a gameking in other words..
If it came down to it, I would rather use a gameking then a core lokt anyday of the week.
A better comparison for you would be to maybe take the 180g gameking instead and compare it to the effectiveness of the 180g CL. Comparing a 150 vs. 180 is like apples and oranges almost..
Anyways, at the working velocity of the 06, the 180g CL is a great bullet. AT magnum speeds, its no better then a ballistic tip or a gameking though...Best of luck to ya!!
I wouldnt dream of shooting these bullets any faster than o6 velocities. I have a 300 RUM and would only consider the 150g Sierra a varmint bullet at its velocities.(same with Win velocities) That's why years ago most 300 Win Mags only had factory offerings in 200g bullets. Another whole topic. I'm trying to be caliber specific here. The 06 vs on game performance on deer. I'll go over 300 RUM another day. Most bullets splatter out of that cannon no matter what I shoot. I've only liked the 180g Siroccos so far as far as on game performance.
Sierras are pretty "explosive" game bullets IMO.
I've seen a few in action, mainly .257", 7mm, and .308" versions.
Every Sierra gameking I've shot into wet newspaper has lots its lead core. I stopped being surprised by that a long time ago. They do kill deer and coyotes very very good though. Sometimes you get an exit, sometimes you dont...They have a very soft jacket and plus the boat tail doesn't help the bullet hold together any better, IMO.
The core lokt is heavier and a flat base construction, so penetration should be greater, as you've noticed. Also the impact velocity of the 150g is going to be higher out to 300 yards or so then the 180g. That also does not help the expansion/penetration of the soft 150g gameking.
I have however shot the 180g CL from a 300 WIn mag and was less then impressed with what I found in the wet newspaper. The 180g CL was flat as a pancake and weigt retention was about 45-50%. Not any better then a gameking in other words..
If it came down to it, I would rather use a gameking then a core lokt anyday of the week.
A better comparison for you would be to maybe take the 180g gameking instead and compare it to the effectiveness of the 180g CL. Comparing a 150 vs. 180 is like apples and oranges almost..
Anyways, at the working velocity of the 06, the 180g CL is a great bullet. AT magnum speeds, its no better then a ballistic tip or a gameking though...Best of luck to ya!!
I wouldnt dream of shooting these bullets any faster than o6 velocities. I have a 300 RUM and would only consider the 150g Sierra a varmint bullet at its velocities.(same with Win velocities) That's why years ago most 300 Win Mags only had factory offerings in 200g bullets. Another whole topic. I'm trying to be caliber specific here. The 06 vs on game performance on deer. I'll go over 300 RUM another day. Most bullets splatter out of that cannon no matter what I shoot. I've only liked the 180g Siroccos so far as far as on game performance.