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recoil slide |
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Rich Coyle
Optics Apprentice Blind as a bat Joined: October/22/2010 Location: Grants Pass, OR Status: Offline Points: 231 |
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Posted: November/26/2010 at 22:23 |
I made a fancy looking recoil slide for testing recoil of rifles with different weights of bullets and with different brakes installed. I put a chronograph just past the slide. On July 15, 2007 I tested a few rifles. I have since, but didn't record them. Here are enough to get an idea how different weights of bullets affect free recoil travel. Which translates into usable information. No brake .223 26” heavy barrel 55 grain moly 3,306 feet per second 1 13/16” .223 22” light barrel same ammo 3,260 2 3/8” .223 22” light barrel 60 grain 3,118 3 1/8” 7 Rem Mag 120 grain 3,380 12 7/8” 7 Rem Mag 140 3,027 15 5/16” 7 Rem Mag 170 2,852 19 15/16”
7STW 130 3,763 15 1/8”
.375.-416 Rem Mag 270 2,968 29 ¾” .375-.416 Rem Mag 300 2,858 & |
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