harrygunner
Member
- Joined
- Mar 23, 2006
- Messages
- 1,045
I like fast, heavy .357 Mag ammo out of my S&W 640-1 revolver. Its steel construction gives it enough weight to make it easy to control. That J-frame has a 2.125" barrel.
Recently bought a ProChrono Digital chronograph and wanted to post my results.
Altitude: 3221 ft, Temperature: 48 degrees, Barometric pressure: 26.9 inHg
Buffalo Bore 158gr JHC : 1242, 1231, 1226, 1260, 1255 : avg 1243 ft/s and 540 ft-lb energy
That's an effective load, one I would want if I ever need to use the J-frame as a BUG.
Unfortunately, from Buffalo Bore, one can receive different ammo listed under the same product number. I chrono'ed my older rounds, the ones that appear to have Speer bonded bullets. Liked them and stopped by a Cabelas to pick up more. I should have opened the box and inspected the ammo.
Here's a photo of two rounds purchased a couple of days ago (on the left) and a few years ago (on the right). They were both sold in boxes identified as "Item 19C/20".
In my mind, ammo manufacturers should present the same consistency as McDonalds. Any place and any time, Big Mac's are the same. If the ammo is different, give it a different product number.
Underwood has 158gr .357 Mag ammo. Their photo looks similar to the older BB ammo I like. Going to order some from UW.
Recently bought a ProChrono Digital chronograph and wanted to post my results.
Altitude: 3221 ft, Temperature: 48 degrees, Barometric pressure: 26.9 inHg
Buffalo Bore 158gr JHC : 1242, 1231, 1226, 1260, 1255 : avg 1243 ft/s and 540 ft-lb energy
That's an effective load, one I would want if I ever need to use the J-frame as a BUG.
Unfortunately, from Buffalo Bore, one can receive different ammo listed under the same product number. I chrono'ed my older rounds, the ones that appear to have Speer bonded bullets. Liked them and stopped by a Cabelas to pick up more. I should have opened the box and inspected the ammo.
Here's a photo of two rounds purchased a couple of days ago (on the left) and a few years ago (on the right). They were both sold in boxes identified as "Item 19C/20".
In my mind, ammo manufacturers should present the same consistency as McDonalds. Any place and any time, Big Mac's are the same. If the ammo is different, give it a different product number.
Underwood has 158gr .357 Mag ammo. Their photo looks similar to the older BB ammo I like. Going to order some from UW.