What part made you loose range? the cylinder or the tight bore?
Would an M4 bore up kit work best with a 363 mm barrel?
or should i do a m16 bore up kit and go with a 455mm barrel
I would ideally like the M4 one but its out of stock so i was debating this one >
http://www.torontoairsoft.com/product.php?id_product=66