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Re: Springfield Armory Heatseeker Pistol
Posted: Fri Apr 24, 2026 5:10 am
by Wambli Ska
Re: SA Heatseeker pistol
Posted: Fri Apr 24, 2026 5:09 pm
by jkp
One of the milder 6mm offerings would be more interesting to me. But I understand why they went with .308 since they already have the rifle variant in.308.
Re: SA Heatseeker pistol
Posted: Fri Apr 24, 2026 6:42 pm
by Ernie
jkp wrote: ↑Fri Apr 24, 2026 5:09 pm
One of the milder 6mm offerings would be more interesting to me. But I understand why they went with .308 since they already have the rifle variant in.308.
Me as well.
Re: SA Heatseeker pistol
Posted: Fri Apr 24, 2026 8:17 pm
by Zee
jkp wrote: ↑Fri Apr 24, 2026 5:09 pm
One of the milder 6mm offerings would be more interesting to me. But I understand why they went with .308 since they already have the rifle variant in.308.
I would be more interested in something maybe not .308 as well. Which is why I was interested in this in the first place. So I could turn my existing .308 BA SP into maybe a .25 CM.
Re: SA Heatseeker pistol
Posted: Fri Apr 24, 2026 8:22 pm
by shotgunshooter3
You know what round would be really appealing in this gun? Wanna... take a guess????
Re: SA Heatseeker pistol
Posted: Fri Apr 24, 2026 8:31 pm
by Bigslug
Seems to me the path of exploration for this sort of thing would be in the PPC and BR general family of cases, probably with the quicker-burning rifle powders like 4227 to get the speeds up as much as possible in the shorter tubes.
The Creedmoors might be advantageous because everybody's too cheap and/or lazy to make an action other than .308 length (which I regard as too short for the .308, thanks to the U.S. military's shortsighted attachment to 150 grain bullets), but the CM's sort of address the VLD-length-bullet-in-.308-action problem.
7mm CM maybe?
Re: SA Heatseeker pistol
Posted: Fri Apr 24, 2026 9:09 pm
by CPJ 2.0
shotgunshooter3 wrote: ↑Fri Apr 24, 2026 8:22 pm
You know what round would be really appealing in this gun? Wanna... take a guess????
.300 blackout.
Re: SA Heatseeker pistol
Posted: Fri Apr 24, 2026 10:39 pm
by jkp
I was thinking 6mm CM. But that's because I already load it.
Re: SA Heatseeker pistol
Posted: Sat Apr 25, 2026 3:51 am
by Ernie
Bigslug wrote: ↑Fri Apr 24, 2026 8:31 pm
Seems to me the path of exploration for this sort of thing would be in the PPC and BR general family of cases, probably with the quicker-burning rifle powders like 4227 to get the speeds up as much as possible in the shorter tubes.
The Creedmoors might be advantageous because everybody's too cheap and/or lazy to make an action other than .308 length (which I regard as too short for the .308, thanks to the U.S. military's shortsighted attachment to 150 grain bullets), but the CM's sort of address the VLD-length-bullet-in-.308-action problem.
7mm CM maybe?
Varget even in short barrels works great in the 6mm BR, 6 BRA, 6 Dasher, and the 6GT.
Of course, other powders work.
When I asked Tom Jacobs what he thought was the best powder for the 6GT, his response was, "Varget, Varget, Varget."
Varget was already my go to powder for my 14" 6 BR, as well as my center-grip 6 Dasher.
Personally, I don't feel handicapped with a 308 Win 168 grain bullet in a short action 700 platform.
If I am shooting F-TR, it's a single shot and throated for 180's to the 200 weight VLD's.
What powder do I use for my 200 grain Berger in my 308 Rifle? VARGET.
Powder I use in my 15.75" 308 Win? Varget and H-4895
I don't buy into faster powders for short barrels. I use the same powders the rifle boys use.
Re: SA Heatseeker pistol
Posted: Sat Apr 25, 2026 3:53 am
by Ernie
Zee wrote: ↑Fri Apr 24, 2026 8:17 pm
jkp wrote: ↑Fri Apr 24, 2026 5:09 pm
One of the milder 6mm offerings would be more interesting to me. But I understand why they went with .308 since they already have the rifle variant in.308.
I would be more interested in something maybe not .308 as well. Which is why I was interested in this in the first place. So I could turn my existing .308 BA SP into maybe a .25 CM.
I'm loving the 25 Creed (15-15.9" barrel) ballistics with 134M's.
7.5T
Re: SA Heatseeker pistol
Posted: Sat Apr 25, 2026 3:54 am
by Ernie
jkp wrote: ↑Fri Apr 24, 2026 10:39 pm
I was thinking 6mm CM. But that's because I already load it.
If you ever go to a sub 16" barrel in 6 Creed, I can give you some good data with both reloads and factory ammo.
Re: SA Heatseeker pistol
Posted: Sat Apr 25, 2026 2:03 pm
by CPJ 2.0
Ernie wrote: ↑Sat Apr 25, 2026 3:51 am
Bigslug wrote: ↑Fri Apr 24, 2026 8:31 pm
Seems to me the path of exploration for this sort of thing would be in the PPC and BR general family of cases, probably with the quicker-burning rifle powders like 4227 to get the speeds up as much as possible in the shorter tubes.
The Creedmoors might be advantageous because everybody's too cheap and/or lazy to make an action other than .308 length (which I regard as too short for the .308, thanks to the U.S. military's shortsighted attachment to 150 grain bullets), but the CM's sort of address the VLD-length-bullet-in-.308-action problem.
7mm CM maybe?
Varget even in short barrels works great in the 6mm BR, 6 BRA, 6 Dasher, and the 6GT.
Of course, other powders work.
When I asked Tom Jacobs what he thought was the best powder for the 6GT, his response was, "Varget, Varget, Varget."
Varget was already my go to powder for my 14" 6 BR, as well as my center-grip 6 Dasher.
Personally, I don't feel handicapped with a 308 Win 168 grain bullet in a short action 700 platform.
If I am shooting F-TR, it's a single shot and throated for 180's to the 200 weight VLD's.
What powder do I use for my 200 grain Berger in my 308 Rifle? VARGET.
Powder I use in my 15.75" 308 Win? Varget and H-4895
I don't buy into faster powders for short barrels. I use the same powders the rifle boys use.
I bet Z schooled you on the Varget. It’s his FAVORITE powder.
Re: SA Heatseeker pistol
Posted: Sat Apr 25, 2026 2:50 pm
by Ernie
CPJ 2.0 wrote: ↑Sat Apr 25, 2026 2:03 pm
Ernie wrote: ↑Sat Apr 25, 2026 3:51 am
Bigslug wrote: ↑Fri Apr 24, 2026 8:31 pm
Seems to me the path of exploration for this sort of thing would be in the PPC and BR general family of cases, probably with the quicker-burning rifle powders like 4227 to get the speeds up as much as possible in the shorter tubes.
The Creedmoors might be advantageous because everybody's too cheap and/or lazy to make an action other than .308 length (which I regard as too short for the .308, thanks to the U.S. military's shortsighted attachment to 150 grain bullets), but the CM's sort of address the VLD-length-bullet-in-.308-action problem.
7mm CM maybe?
Varget even in short barrels works great in the 6mm BR, 6 BRA, 6 Dasher, and the 6GT.
Of course, other powders work.
When I asked Tom Jacobs what he thought was the best powder for the 6GT, his response was, "Varget, Varget, Varget."
Varget was already my go to powder for my 14" 6 BR, as well as my center-grip 6 Dasher.
Personally, I don't feel handicapped with a 308 Win 168 grain bullet in a short action 700 platform.
If I am shooting F-TR, it's a single shot and throated for 180's to the 200 weight VLD's.
What powder do I use for my 200 grain Berger in my 308 Rifle? VARGET.
Powder I use in my 15.75" 308 Win? Varget and H-4895
I don't buy into faster powders for short barrels. I use the same powders the rifle boys use.
I bet Z schooled you on the Varget. It’s his FAVORITE powder.
NOPE!
He has taught me a number of things through the years but powder has not been one of them.
Re: SA Heatseeker pistol
Posted: Sat Apr 25, 2026 3:57 pm
by Zee
It’s a conspiracy. Varget hates me.
Re: SA Heatseeker pistol
Posted: Sat Apr 25, 2026 5:14 pm
by Ernie
Zee wrote: ↑Sat Apr 25, 2026 3:57 pm
It’s a conspiracy. Varget hates me.
Nah, it's just in your head...
Re: SA Heatseeker pistol
Posted: Sat Apr 25, 2026 5:17 pm
by Ernie
In Short Action cartridges, my two most used powders is H-4350 and Varget.
Re: SA Heatseeker pistol
Posted: Sat Apr 25, 2026 5:18 pm
by Ernie
CPJ 2.0 wrote: ↑Sat Apr 25, 2026 2:03 pm
Ernie wrote: ↑Sat Apr 25, 2026 3:51 am
Bigslug wrote: ↑Fri Apr 24, 2026 8:31 pm
Seems to me the path of exploration for this sort of thing would be in the PPC and BR general family of cases, probably with the quicker-burning rifle powders like 4227 to get the speeds up as much as possible in the shorter tubes.
The Creedmoors might be advantageous because everybody's too cheap and/or lazy to make an action other than .308 length (which I regard as too short for the .308, thanks to the U.S. military's shortsighted attachment to 150 grain bullets), but the CM's sort of address the VLD-length-bullet-in-.308-action problem.
7mm CM maybe?
Varget even in short barrels works great in the 6mm BR, 6 BRA, 6 Dasher, and the 6GT.
Of course, other powders work.
When I asked Tom Jacobs what he thought was the best powder for the 6GT, his response was, "Varget, Varget, Varget."
Varget was already my go to powder for my 14" 6 BR, as well as my center-grip 6 Dasher.
Personally, I don't feel handicapped with a 308 Win 168 grain bullet in a short action 700 platform.
If I am shooting F-TR, it's a single shot and throated for 180's to the 200 weight VLD's.
What powder do I use for my 200 grain Berger in my 308 Rifle? VARGET.
Powder I use in my 15.75" 308 Win? Varget and H-4895
I don't buy into faster powders for short barrels. I use the same powders the rifle boys use.
I bet Z schooled you on the Varget. It’s his FAVORITE powder.
I had forgotten that Varget has psyched him out.
We really don't talk about powder that much.
Re: SA Heatseeker pistol
Posted: Sat Apr 25, 2026 11:00 pm
by jkp
Zee wrote: ↑Sat Apr 25, 2026 3:57 pm
It’s a conspiracy. Varget hates me.
You are not alone.
Re: SA Heatseeker pistol
Posted: Sat Apr 25, 2026 11:18 pm
by Elk Creek
jkp wrote: ↑Sat Apr 25, 2026 11:00 pm
Zee wrote: ↑Sat Apr 25, 2026 3:57 pm
It’s a conspiracy. Varget hates me.
You are not alone.
Funny varget is no bueno, but H4895 is…. Huh. Oh well keep burning it!
Re: SA Heatseeker pistol
Posted: Sun Apr 26, 2026 12:19 am
by Ernie
Elk Creek wrote: ↑Sat Apr 25, 2026 11:18 pm
jkp wrote: ↑Sat Apr 25, 2026 11:00 pm
Zee wrote: ↑Sat Apr 25, 2026 3:57 pm
It’s a conspiracy. Varget hates me.
You are not alone.
Funny varget is no bueno, but H4895 is…. Huh. Oh well keep burning it!
I like and use H-4895 as well.
But it doesn’t get as much use as some other powders