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Home of the MIDI-15 Cartridge

The true mid size Cartidge for the AR 15

This project is 10 yars in the making and experimenting with various Cartridges for the AR 15 Pattern rifle.

30-30 Whyat is a rendition of the 7.5x45 but redesigned to use a 30-30 WInchester profile and 30 Remington brass trimmed to 45mm [ 1.77"]

Tests so far have yealded 2700 fps with 135 gr HPBT bullets in a 22" SIngle shot test playform and 140gr FMJ at 2450 fps from a 16" AR .