CMMG's 9 AR Conversion makes it possible to shoot 9mm ammunition from your unmodified AR15 lower receiver when paired with a CMMG 9mm Radial Delayed Blowback upper. - CMMG's 9 AR Conversion is inserted into a Gen 2 or Gen 3 Magpul PMAG. It seats into your AR15 mag-well and holds up to 30 rounds of 9mm ammunition. Its unique design allows it to feed any CMMG 9mm Radial Delayed Blowback upper receiver while maintaining last round bolt hold-open functionality. - 9�19 - Can be modified to hold 10 20 or 30 rounds - Last Round Bolt Hold-Open - 9ARC Internals to be put into Magpul PMAG (Gen 2 or Gen 3) - Uses Standard Carbine Buffer and Action Spring

Magazine Restrictions:

The following states have magazine restrictions. Your order will not ship to those states if in violation of these laws and will be subject to cancellation and a 15% restocking fee.

California - Limited to 10-round capacity.
Connecticut - Limited to 10-round capacity.
Colorado - Limited to a 15-round capacity.
Delaware - Limited to 17-round capacity.
Hawaii - Handguns limited to 10-round capacity
Illinois (Cook Co, Aurora, Highland Park) - Pistol mags are limited to 10 rounds.
Massachusetts - Limited to 10-round capacity.
Maryland - Limited to 10-round capacity.
New Jersey - Limited to 10-round capacity.
New York - Limited to 10-round capacity.
Road Island - Limited to 10-round capacity.
Vermont - Handguns limited to 15-round capacity, Rifles limited to 10-round capacity.
Washington DC - Limited to 10-round capacity.
Washington - Limited to 10-round capacity.