Allows for a quick conversion to 9mm in conjunction with a 9mm upper Compatible with colt type 9mm upper receivers Use existing AR-15/M16 lower receiver If used with 100-004-363 9mm bolt carrier, there is no need to swap out the standard hammer, allowing for a quick and easy change of calibersConversion Blocks - One-piece, machined aluminum block converts AR-15 lower receiver to 9mm. Compatible with all, Colt-type, 9mm upper receivers, the feed ramp is cut for reliable feeding with all types of ammo, including hollow point and frangible ball. More...
Product no.: 100007324 100007324