SOLD Out!! Just sold 5 mags and have 0 more to sell!!! I have ten (5) G21SF (ambi mag release) magazines for sale. I shot these to cycle ammo through them once and rotated these with loaded ammo on a monthly basis. These are in excellent like new condition. I just sold the G21SF today. Will ship 5 mags for $90. PM me for details in payment and shipping.