10mm-Auto

Other Ammunition Calibers => Factory Ammo pull-downs => Topic started by: The_Shadow on February 21 2019 09:17:44 PM MST

Title: Remington 357 Sig 125gr JHP (Chris2000ss, Feb 2019)
Post by: The_Shadow on February 21 2019 09:17:44 PM MST
Cartridge is from Ammo Manufacture: Remington 357 Sig 125gr JHP (provided by Chris2000ss, Feb 2019)
Ballistics Information: 357 SIG
Muzzle Velocity: 1350 fps
Muzzle Energy: 506 ft. lbs
Brass Make/Headstamp: Rem – Brass
Bullet Make/Weight/Construction/Info; Length 0.5570"/Dia. 0.3550": 125gr. JHP
HP depth 0.1640" / HP dia 0.1935" tapered / HP outside 0.2500"
Actual weight 125.0 / 125.0 grains (flat base)
C.O.A.L.: 1,1265" / 1.1325"  crimp groove dia: 0.3500"
Primer: Small Pistol Nickel  color   
Case: Diameter 0.4210" Crimp Diameter 0.3775" (medium) Length 0.8650"
Powder Description/Positive ID/Type/Charge Weight: Win Clean 244 7.2 / 7.2 grains

Hodgdon 2018 shows the Speer Gold Dot loaded with Win 244 7.0 grains making 1340 FPS @ 38,100 PSI

(https://i.postimg.cc/L86bKkGY/IMG-0563.jpg)

(https://i.postimg.cc/Vv8K7XjN/IMG-0564.jpg)

(https://i.postimg.cc/cJP9npCw/IMG-0565.jpg)

(https://i.postimg.cc/1t6WcvVT/IMG-0567.jpg)

(https://i.postimg.cc/7YNWWttr/IMG-0568.jpg)

(https://i.postimg.cc/T1JCBh9J/IMG-0566.jpg)

Title: Re: Remington 357 Sig 125gr JHP (Chris2000ss, Feb 2019)
Post by: Chris2000ss on February 22 2019 03:56:53 AM MST
I was really hoping this was win auto comp powder seeing it's win 244 is the only powder I don't have on hand lol ..thanks shadow you do awesome work  8)
Title: Re: Remington 357 Sig 125gr JHP (Chris2000ss, Feb 2019)
Post by: The_Shadow on February 22 2019 09:41:45 AM MST
Quote from: Chris2000ss on February 22 2019 03:56:53 AM MST
I was really hoping this was win auto comp powder seeing it's win 244 is the only powder I don't have on hand lol ..thanks shadow you do awesome work  8)

This powder is New from Winchester, Win Clean 244 and has copper fouling eliminators and is also flash suppressed.  Other than that it very much like that AutoComp, I have to wonder if it is a reformulation.

357Sig Tested Jan 2015
357Sig 115 gr JHP 1.1275"
8.2 grains Winchester AutoComp
CCI 550 SP Speer case
Velocity 1440 fps

I was sort of blindly testing Winchester AutoComp in the 357Sig with the same 115 gr JHP with 8.2 gr of AutoComp @ 1432 fps and 1444 fps from the Glock 29 with the Lone Wolf Dist conversion 3.78" BBL Very nice load!  Expansion 0.4255"