SGM Tactical has recently introduced a 50 round drum magazine for all 9mm Glocks and other firearms that accept 9mm Glock magazines. This magazine is great for burning ammo at the range, but I prefer standard Glock magazines for self-defense or home defense.
For a cool TWANGnBANG t-shirt, visit: http://twangnbang.spreadshirt.com
Check out TWANGnBANG on Facebook: https://www.fb.com/TWANGnBANGdotnet
For more information about the SGM Tactical 50rd Glock magazine: http://www.mississippiautoarms.com/glock-9mm-50-round-drum-by-sgm-tactical-preorder-p-3217.html