The ComBloc MilSpec didn't specify steel reinforcement, but no mag without steel reinforcement on the locking lip and lug will hold up to hard use.
The Bulgy waffle pattern mags are good. The slabside Bulgy mags are not. I haven't tested any of the the smoke, clear or colored Bulgy mags. The ProMags and the Tapco mags don't hold up either.
"He who does not bellow the truth when he knows the truth makes himself the accomplice of liars and forgers." -- Charles Peguy
I currently teach for Tactical Response.
I have taught for Options for Personal Security, Tac Pro Shooting Center, and Shivworks, as well as teaching under my own banner.
I have given presentations at Tom Given's Polite Society Conferences, the National Tactical Invitational and Gabe Suarez's WarriorTalk Symposia.
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