6mmAR turbo 40 improved

[commando57]

What is this cartrage ballisticly similar to?

 

[HPMike800]

It's a necked down 6.5 Grendel Ackley'd

 

[Klong]

It will shoot 107 SMK at arouns 2900 fps, so it is close to a 6 BR.

 

[GSPV]

...and for reference, the 6.5 Grendel is a 6 PPC with the shoulder pushed forward 70 thou.

 

[Bigame1]

The 6 AR Turbo Imp. will shoot the 107 Sierra and the 108 Berger at 2850 with 29.0 grains of H4895 with a CCI BR4 primer and Lapua case.
This cartridge is simply amazing for an AR 15 cartridge as it gives excellent performance with most any powder & bullet combination you load. I shoot from 75 grain pills to 108 Berger BT. There is a lot of performance in that little cartridge especially for an AR 15 platform. You won't be undergunned.

 

[Killshot]

Dimensionally, it is thinner and taller than a 6BR. The short neck and 40º shoulder allow a little more capacity.

It's a great cartridge.

 

[ARP]

Another one that is near identical to this is the 6mm RAT

 

[Recko555]

+1 for this cartridge and similar cartridges. I mainly shoot my 6RAT for F-Class (love the ergonomics of ARs and its one of the best performing cartridges in an AR15 chassis).

 

[commando57]

Anyone have some velocities when shooting the 75 grain Hornady Vmax?

 

[Klong]

No live fire velocities, but it should be around 3200 fps out of a 24" to 26" barrel.