AR Caliber...want something new, last one!

[chrisk]

450 Bushmaster. Deer hate it, my girls love it.

[kumathebear]

getting some ideas....

[kmon]

For a fun little round look at the 5.7X28 upper. Uses the same 30 or 50 rounds as the FN PS-90. ballistic wise it is about the same as a 22 Hornet.