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Posted: 3/30/2006 10:17:27 AM EDT
I've got 16" .223 carbine and want an upper with a little more punch and accuracy. I've shot 7.62 x 39 and 30 06. What would be a good calibre, barrel length and twist etc now and will I need to change out anything on the lower? Thanks for all your help! (Probably should have just bought a .308 service rifle.)
Link Posted: 3/30/2006 1:00:21 PM EDT
.223 is a very acurate cartige. Do you mean something for longer ranges? You might go to a 20in. barrel and add some optics.
Link Posted: 3/30/2006 1:22:11 PM EDT
.223 is pretty accurate but want to go for longer range- 600 yards. I've got 30 06 but I want to sell that rifle and get something similar for the AR platform. It would be nice to many barrels for the lower.
Link Posted: 3/30/2006 1:36:59 PM EDT
Try a heavier bullet, like 69 to 75 grains. Both weights are used in CMP matches to reach out to 600 yards.
Link Posted: 3/30/2006 1:53:22 PM EDT
6.8 perhaps
Link Posted: 3/30/2006 1:58:56 PM EDT
[Last Edit: 3/30/2006 1:59:21 PM EDT by eklikwhoa]
SEND THOUSANDS OF DOLLAR$$$ TO ONE OF THE GUNSMITH HERE TO BUILD YOU SOMETHING


or spend thousands on some practice ammo.
Link Posted: 3/30/2006 1:59:40 PM EDT
Link Posted: 3/30/2006 2:17:37 PM EDT
[Last Edit: 3/30/2006 2:32:16 PM EDT by go4it]
6.8 SPC might be something to look at: the 115gr. 6.8 Rem Spc reaches speeds of 2650 fps with only 16.5 inches of barrel length---that's 350 fps faster than the 7.62x39 AK 47 and a whooping 117 ft lbs of energy over 5.56 62gr. at 600 yards. 6.8 barrel might be something to look into especially since I can keep the carbine length...
Link Posted: 3/30/2006 2:32:47 PM EDT
[Last Edit: 3/30/2006 2:33:04 PM EDT by bigbore]
Link Posted: 3/30/2006 3:02:17 PM EDT
6.5 Grendel maybe?
Link Posted: 3/30/2006 3:06:29 PM EDT

Originally Posted By go4it:
.223 is pretty accurate but want to go for longer range- 600 yards. I've got 30 06 but I want to sell that rifle and get something similar for the AR platform. It would be nice to many barrels for the lower.



I don't know what to tell you for an AR style platform, but as far as long range semi autos go, you can't beat a barret...
Link Posted: 3/30/2006 3:12:21 PM EDT
6.5 Grendel would be the way to go for longer ranges, as opposed to the 6.8 SPC.

However, I would stick with heavy 5.56 and .308
Link Posted: 3/30/2006 3:39:06 PM EDT
I'm shooting 2" at 100yds with Wolf 55gr and it is not that consistent. I'll pick up some good heavy weight ammo and give it a whirl. Thanks guys.
Link Posted: 3/30/2006 4:15:01 PM EDT
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