Blocked and pinned to only accept a maximum of 10 rounds. Genuine Factory Glock 15 round magazine for Glock 20 in 10mm blocked and pinned to only accept 10 rounds for high capacity restricted states. These will fit your AR pistol dedicated build if you build using the 10MM complete pistol upper as well as your Polymer80 PF45 frame.
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Manufactured in Austria by Glock. The Genuine Factory Glock 15 round magazine for Glock 20 in 10mm are blocked and pinned. These will fit your AR pistol dedicated build if you build the 10MM complete pistol upper. We only sell what we trust. The smooth and reliable feeding from the Glock mags make it easy for us to choose them as our Spectre pistol builds kit. Manufactured in Austria by Glock.
Featuring a round count indicator on the back of the magazine so you'll know your current round count. The standard base plate that will allow you to take the magazine apart and clean or release tension on the spring as you see fit. Glock makes there magazines with very stiff springs, making it possibly difficult to load the magazine to full potential for the first couple cycles. After it has been cycled a few times it will become easier to load.
All current production Glock magazines are also compatible with all previous generations of Glock pistols.