PSA 6.8 Upper

[TNMTBik3r]

I have been debating 6.5, 6.8 and 300bo upper as my next build and pretty much decided the 6.8 is the best choice for me (shooting and deer hunting, falls between my .223 and 30-06). Happened to see PSA's upper sale today and they have a 20" 6.8SPCII rifle length upper on sale. It is a 1:11 twist.

I haven't researched the barrel lengths and twist for this caliber so wanted to ask if this seems like a decent barrel for this caliber? I am thinking about snatching it and then can get a BCG later on...

 

http://palmettostatearmory.com/index.php/psa-20-6-8-spcii-1-11-rifle-length-heavy-profile-upper.html

[DangerDanJD]

6.8's normally run somewhere between a 1/10 to 1/12 twist with 1/11 being quite common. I believe Noveske barrels have a 1/12. Bison Armory, Stag Arms, and DPMS all have 1/11 twists. A 20 inch barrel would be fine, but the 6.8's are supposed to run very well out of shorter barrels so the 20 may be more then you need. The difference in velocity between a 16 and 20 should be fairly negligible for deer hunting, etc. 

 

Disclaimer: I do not own a 6.8 but have been thinking of buying one for deer and the above info is based on my understanding from the research I have done. My preference would be for a 16inch barrel or even a 14.5 with pinned comp. Someone with personal experience with the round, feel free to chime in. 

[50 cal]

When I was at Barrett, we built the Marine Corps some 20" barreled 6.8 uppers for them to use as a DMR style use. They liked them.

I thought about getting one of the 20" barrels and doing my own build but never got around to it.