ProMag COLA27 Standard 27rd 6.8mm Rem SPC Fits AR-15/M16 Blued Steel Air Guns The Anti-Rotation Castle Nut is

The Anti-Rotation Castle Nut is specifically designed to work with this end plate

high-carbon stainless steel blade is easy to sharpen and its spear-point design strikes a balance between a dagger and a drop point blade

Made to fit the Ruger 10/22 receivers and clones by using factory mounting holes

J Frame 340PD

ProMag COLA27 Standard 27rd 6.8mm Rem SPC Fits AR-15/M16 Blued Steel Air Guns The Anti-Rotation Castle Nut isThis replacement or spare magazine is compatible with your AR 15, M16. It is constructed of heat treated steel with injection molded mag follower and mag spring formed from chrome silicone wire. Made in the USA.