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Posted: 1/4/2012 12:02:40 PM EDT
Another Newbie!! I'm very new to this site and building AR's. (This will be my first) I looking to build something to hog hunt with and also maybe deer hunt with. I'm guessing 6.8.
I want something accurate! Is it possible for an AR to be accurate at 200-225 yrds? (most shots will be alot closer...50 yrds)

This is my parts list so far:

LOWER-
spikes stripped lower
stag arms advance lpk
caa cbsm stock
stag arms mil spec after market stock kit
caa upg16 grip

UPPER- I need help!

I was thinking of buying a RRA 6.8 complete upper but I would really like to build it myself.

I have not ordered anything so any changes you think I should make please let me know!
Thanks in advance!!
Link Posted: 1/4/2012 12:08:16 PM EDT
[Last Edit: 1/4/2012 12:10:23 PM EDT by wilNva]
I'm sure the other fanboys will be along shortly. But take a look into .300 Blackout instead of 6.8 if your wanting more punch then 5.56.

As far as accuracy, 1 MOA is easy to obtain if you build the gun right.

http://300aacblackout.com/
Link Posted: 1/4/2012 12:15:07 PM EDT
what is the recoil like on the .300 blackout compared to the 6.8?
Link Posted: 1/4/2012 12:23:03 PM EDT
Well, the blackout is cut down 5.56 cases with a larger bullet, they use less powder then a 5.56, and a 5.56's recoil is a joke. It's a bit less then a 30-30 or 7.62X39.

This is .300 blk on the top, 5.56 on the bottom.

Link Posted: 1/4/2012 12:34:43 PM EDT
thanks for the info. Where can I buy or find prices on the .300 blackout?
Link Posted: 1/4/2012 12:45:29 PM EDT
You have a ton of options if your wanting to build your upper. The only special part on the gun to convert it is the barrel, every other part on the gun will be standard AR parts including the bolt and magazines. Pretty much all of the big names carry the barrels now so you have your pick of any of them. Complete uppers are pretty common also, a google search of either will give you plenty of choices, as well as the vender lists here on the site.

Just a couple examples:

MidwayUSA barrel for $199

Model 1 complete kit for $545
Link Posted: 1/4/2012 12:53:52 PM EDT
THANKS for the help! I'll have to do some research!!!
Link Posted: 1/4/2012 12:55:57 PM EDT
np, welcome to the site. Do some research and weigh all the options, .300 blk is just one of many caliber choices
Link Posted: 1/5/2012 7:40:15 AM EDT
Are the stag arms lpk good? I havent seen to many ppl using them. It seems more ppl are using the RRA or DPMS.
Link Posted: 1/5/2012 8:51:45 AM EDT
Originally Posted By blivingston86:
Are the stag arms lpk good? I havent seen to many ppl using them. It seems more ppl are using the RRA or DPMS.


Stag is one of the better lower parts kits. I use RRA kits but personally stay away fom DPMS.
Link Posted: 1/5/2012 10:17:36 AM EDT
thanks man, will do
Link Posted: 1/5/2012 7:09:35 PM EDT
Compare the ballistics of .300BO at 225 to 6.8, plus the amount of holdover. If that isn't an issue, then hopefully ammo will be as available as the promises for it. .300BO isn't new, just the .300 Whisper that's been around since before the 1st SOF Shoot at Columbia, MO. in Sept 1980. It wasn't miuch appreciated in a field of .308 battle rifle enthusiasts.

Of course, from there, SSK "invented" it, and it's also claimed that it's the .300 Fireball, necked up from the .221. Point being, after 31 years, it's suddenly "hot," with ballistics claimed to be every bit as good as 7.62x39. Well, that's less fps and footpounds than comparable 6.8 loads. Of course, with money on the line, there are those with an agenda priming the pump of public enthusiasm.

Or, just build the 6.8 from all the existing suppliers. Not to mention the 16 loads available right now from SSA, or the two dozen other suppliers. Funny, Remington doesn't seem to offer much for THEIR named cartridge - 6.8 Remington SPC.

Check with the 68forums members and you'll get an even handed view, they shoot it all, even 6.5G. Each has it's place, they overlap, but only one has the major marketplace penetration that makes it the #1 alternative cartridge.
Link Posted: 1/5/2012 7:46:47 PM EDT
For your requirements I would go with the 6.8 spc II.

I would avoid the RRA upper and get a barrel with more current specs of 1/11 with a spc II chamber.

The 300 blk is a nich cartridge that would meet your requirements but with little left over.

The 6.8 spc II will easily meet your requirements with room to spare.
Link Posted: 1/6/2012 4:21:07 AM EDT
[Last Edit: 1/6/2012 4:35:18 AM EDT by AKman25]
you can get a 7.62x39 kit from www.model1sales.com or www.delton.com Ive shot a few kit builds from m1s and they shot rather well no ftf no fte
seen way more 7.62x39 ammo sales than 6.8 im pretty sure its cheaper too.
as for accuracy youll be limited to what kind of round you use. commercial brass cased boxer prime ammo yields the best results while plinking is for the steel case.
i would recommend corbon hunter for hunting ammo 150gr JSP or 123gr DPX will do the job nicely out to about 200 yds. expect the 123 grain to shoot a little higher
if you want something to hunt and plink with the 7.62x39 is what you want for sure can get hi cap mags if you want but 10 round mags dont protrude as the 30 rounders do


corbon 123 grain DPX round info

- Deep penetration on soft tissue 12-17 inches.
- Easily conquers hard barriers like auto glass and steel.
- Reduced recoil due to lighter-weight projectile.
- Lead-free projectile.
- Environmentally friendly!
*CERTIFIED: CALIFORNIA LEAD FREE*

Caliber: 7.62X39
Bullet Wt.: 123gr DPX
Velocity: 2300fps
Energy: 1445ftlbs
Test Barrel Length: 16.0 Inches
20 rounds per box.
Link Posted: 1/6/2012 4:40:25 AM EDT
[Last Edit: 1/6/2012 4:41:33 AM EDT by blivingston86]
Thanks for the help! I learn a lot of stuff each day on this site!! I guess I need to do more research to try and figure out my upper. Keep the opinions/advice coming!!
Link Posted: 1/6/2012 7:33:42 AM EDT
You have to understand this is about cost and the ability to fix a "problem" that the 5.56 has in stopping power. It was probably made on a certain set of criteria. Think of the US Govt ... better stopping power and the only thing you have to change in the existing inventory is Ammo and Barrels. BCG's will work... magazines... you name it.
Link Posted: 1/6/2012 12:52:53 PM EDT
Is there anything wrong with a DPMS stripped lower? I can pick one up at a local shop here for fairly cheap? If this is not a good name brand what would you recommend? Also, I am assuming the same stripped lower can be used for a 5.56 build or a 6.8 build?
Link Posted: 1/6/2012 5:05:49 PM EDT
yes any stripped lower can be used for 5.56 or 6.8, DPMS makes a quality lower,
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