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-   -   Question 6.8 SPC/270 (http://www.firearmstalk.com/forums/f30/question-6-8-spc-270-a-90865/)

Mongo 05-18-2013 04:54 AM

Question 6.8 SPC/270
 
Has anyone compared the cartridge size of the 6.8 SPC to the 270 Winchester cartridge?

robocop10mm 05-18-2013 05:08 AM

Uh, the 6.8 is MUCH shorter

mseric 05-18-2013 12:13 PM

http://www.reloadbench.com/popup/cart/092.html


http://www.reloadbench.com/popup/cart/353.html


They share the same bullet diameter, that's about it.

mich1377usmc 05-19-2013 01:55 PM

With the 6.8 the twist rate in AR's your limited to the lighter bullet weights. My LMT 1:10 16" Carbine likes 110 g VMAX or HPBT & 115 g FMJ . Mickey

mich1377usmc 05-20-2013 10:35 AM

Also in the 6.8 clicks we call it the 270 lite..... LOL

Apex-Predator 05-21-2013 10:08 PM

The 270 Win is a huge step up from the 6.8 SPC in terms of power, they may share the same bore size but that is the only thing they have in common.

TekGreg 05-24-2013 07:16 AM

6.8 SPC was specifically designed to preform best in an AR platform with a shorter barrel than typical for hunting rifles. The choice between the two should be based on barrel length, as the .270 would do much better in a full length barrel. So, 18" or less = 6.8 SPC/ 20" or more = .270.


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