30 August 2016

It's A Madhouse!

PPU has recalled ALL of their 6.5 Grendel ammo!

They're citing differences in chamber specs causing excessive pressures.

This is interesting to me because 6.5 is SAAMI spec'd and was touted as a reason that 6.5 is superior to the non-SAAMI 6.8 SPCII "standard".

Well, a spec is only as good as how well it's adhered to.

It looks like at least one manufacturer of rifles is making the chambers tighter than specified (and it would have to be a manufacturer who makes a non-trivial number of guns).

This is also does not appear to be a flaw in 6.5 Grendel or the SAAMI specification of it.

Either PPU ammo is out of spec or some chambers are.  I hope we get a definitive answer soon.

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