22 rimfire carbines with its military-styled semi autos-the M-1600 and the MAK-22. For decades, Armscor has enjoyed a lion’s share of the local market for. 22LR semi auto, is reportedly what pushed the Philippine’s dominant arms maker to produce Ruger 10/22 clones. The growing popularity of fast-paced “mini rifle” events among Filipino shooters, which ignited a renewed interest in the. should be feeling very much flattered, and probably a little bit peeved, by the recent introduction of the Armscor M22 semi-automatic carbine. It is said that “imitation is the most sincere form of flattery.” If such is indeed the case, then the folks at Sturm, Ruger & Co.