Review: Stern Defense MAG-AD9 Glock Magazine Adapter & 9mm Upper
By Nicholas C
At the last Big 3 East we met the great folks at Stern Defense. They have only been in the industry for a few months and showed off their Glock magazine adapter for use in Mil-Spec AR-15s. We got one of their MAG-AD9 and 9mm upper in for review. Not All Glock Magazine Adapters Are […]
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Source:: The Firearm Blog
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