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I have a Trijicon TA55 (5.5x55) on my 5.56 HK SL8-1. Sure it's overkill but I love it...super clear glass, great light, batteryless illumination... It's calibrated for 5.56 and I've fired it out to 500m using the numbered hash marks on the reticle. They're convenient as hell and spot on with a 69 grn Sierra Matchking I'm looking to buy a 6.8 and/or a 6.5 XCR but am worried I'll need two different ACOGS judging from this ballistic comparison (small PDF download) http://shootersforum.com/attachment.htm?s=be459b99ca9012f1e6bead511dccdce8&attachmentid=446&d=1076081272
Looks like the 6.8 mirrors the 5.56 close enough that I could live with it but the 6.5 is closer to the 7.62 up to 400m then its in its own class.
Anybody have any thoughts on this?.......other than sell my SL8 and get another ACOG. 6.8 + ACOG users out there?
UPDATE: SEE BELOW MESSAGE FROM TRIJICON
Looks like the 6.8 mirrors the 5.56 close enough that I could live with it but the 6.5 is closer to the 7.62 up to 400m then its in its own class.
Anybody have any thoughts on this?.......other than sell my SL8 and get another ACOG. 6.8 + ACOG users out there?
UPDATE: SEE BELOW MESSAGE FROM TRIJICON
