1) Is this firearm available to civilians with the short barrel?
2) I read that it can only hold 30 rounds - not 50. Is this true? Is the magazine smaller in size?
3) What types of accessories are compatible with the accessory mount? Is it a universal mount?
2) I read that it can only hold 30 rounds - not 50. Is this true? Is the magazine smaller in size?
3) What types of accessories are compatible with the accessory mount? Is it a universal mount?