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View Full Version : RIght Place? SBR 6.8 SPC



Roy
12-07-09, 18:14
Im considering this as a new weapon.. (CANT HAVE SBR'S IN MI LOOKING @ PISTOL)
For the mean time im trying to ring as much out of the caliber in a small package as possible. what do you thinl/Know the gains would be if i went with a LWRC10.5 instead of the LWRC 8.5 for standard 6.8 Rounds? OR TELL ME WHERe TO LOOOk



Thanks

ROY

Roy
12-07-09, 18:16
SORRY... GOTTA OPEN THE EYES

From a post 3 above
SSA 2nd generation 115 gr SMK OTM w/cannelure, 5 shot averages:

20” barrel: ave vel = 2561 fps; 10 fps extreme spread

16” barrel: ave vel = 2525 fps; 18 fps extreme spread -- lost 36 fps from 20"

12.5” barrel: ave vel = 2384 fps; 12 fps extreme spread -- lost 141 fps from 16"

10” barrel: ave vel = 2265 fps; 27 fps extreme spread -- lost 119 fps from 12.5"

7.5” barrel: ave vel = 2035 fps; 27 fps extreme spread -- lost 230 fps from 10"

Ak44
12-07-09, 18:34
6.8 is better with shorter bbls than 5.56 in terms of velocity. You should check out the 6.8 forums, there is a wealth of knowledge there.

Roy
12-07-09, 20:50
yah thats what i was thinking.. plus a little heavier bullets

Ill check that forum thanks!!