V208 AR-15 22 LONG RIFLE MAGAZINE With the ever-expanding gun market and the many rimfire platforms on the market with more being developed all the time, Black Dog Machine LLC is aware of the task to provide a magazine that covers nearly all of them. They have stepped up their game to develop a new more versatile magazine that has the ability to adjust to the minor production of differences in rimfire kits and dedicated platforms. They have achieved this by creating an adjustable lock up lug magazine they call the Version 208. V208 (208 is their Idaho area code) The new magazine has eight quick change inserts where the lock up lug is at. Using the provided 3/32 allen wrench Mfg: Black Dog Machine Llc