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G-Block Conversion Kit
G-Block Conversion Kit
$99.95
Now you can use Glock magazines in your AR-15 magwell. Perfect for use with our 9mm uppers.
Drop-in Glock magazine conversion for AR15 magwells
Polymer construction + steel ejector
Works with 9mm and .40S&W uppers
No bolt hold open
Made in the USA
In stock