I was shocked that TulAmmo makes .357 Magnum now and had to get it. Maybe 10mm will follow!
Rated 1280 FPS
(https://scontent-iad3-1.xx.fbcdn.net/hphotos-xfp1/v/t1.0-9/11013544_919094074795292_420697983410687086_n.jpg?oh=21c7fedcd59135d469424ab79fd37427&oe=567BEA0C)
Rated 1310 FPS
(https://scontent-iad3-1.xx.fbcdn.net/hphotos-xfp1/v/t1.0-9/11873697_919094464795253_5655545536024553095_n.jpg?oh=ed612415c579e444ef67ded67b9ecfce&oe=56772C19)
Rated 1545 FPS... and I highly doubt it makes it!
(https://scontent-iad3-1.xx.fbcdn.net/hphotos-xpf1/v/t1.0-9/11058665_919092974795402_1282034758227318553_n.jpg?oh=8646d14e09f25107a8622eedeec6fc6b&oe=567F07FB)
TulAmmo 158gr FMJ
GP100 6" 1158, 1189, 1154, 1158, 1189. Average = 1169.6 FPS/ 480 LBS Great target .357 and shockingly clean... weird smell though.
Fiocchi 125gr SJSP
GP100 6" 1455, 1426, 1419, 1415, 1425. Average = 1428 FPS/ 566 LBS
Aguila 158gr SJSP
GP100 6" 1280, 1310, 1275, 1343, 1289. Average = 1299.4 FPS/ 592 LBS Shoots about like American Eagle
I have no problem shooting aluminum ammo. Steel cased in a 10mm?
Don't know.
SwampFox was about to try pressing a Steel ring down in the case of 10mm brass to push it harder.