Thread: 260 terminator by defensive edge

260 terminator..... Reading the reamer design and using shallow rifling in the leade/throat area to let pressure build before full engagement has me wonder if the gain is actually as big as advertised over say a standard 260ai...

Have done a bit of digging and can't seem to find a reamer for sale either.

Have a 6.5mm 7.5t 28" maskman bartlien coming and am looking to shift up from the standard 260rem chambering I'm running now.

2890fps with 140 amax
2780fps with a 153gr atip both in the 260rems current barrel.

Would the extra muck around be worth going to the terminator or AI chamber?

Cheers Ben

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