HKS 451 Adjustable Large Caliber Single Stack Magazine Speedloader Capable of loading 15 rounds in 18 seconds, Thumb lever; Made in USA Loads single stack magazines and is adjustable Magazine slips into loader and is held in by hand Fits Colt Large frame single line magazines 9MM, .45 ACP, .38 Super, .40 Cal, 10MM/Ruger P90/SIG 220, 239, 245/Safari Arms/Llama Fits Star, Fire Star .40 Cal, S&W Single stack magazines .40 Cal, .45 ACP, 10MM,SIG P239/Taurus PT945 (Adjustable)