I just bought a s & w mp15 sport a couple weeks ago, my question is, are all ar15 mags interchangable? I would like to buy a couple pre ban 20 or 30 round mags for it but have no idea what would fit, if any.
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You can use any mag, its the ammo you need to be careful of. If your AR is marked 5.56 then you shoot either 5.56 or .223. If its marked .223 you can ONLY shoot that cartridge. Also, STAY AWAY from any lacquered steel cased ammo. That $h*t is nothing but trouble! If you shoot rapid fire at all the lacquer can heat up and melt and subsequently it can get into your bolt carrier and chamber and reharden. this will not only destroy your weapon, it will void the warranty. Good luck and enjoy your new AR!
Jeff B
so which barrel purchase would be preferable, 5.56 or .223 Wylde
Umm, I think he's saying 5.56mm.