GoTo SPORTS GEAR Locking Block For Glock 17 Gen 3 Electroless Nickel Plated
Locking Block Fits With All Frames That Use Three Pins.
Locking Block is MIM made of 4605 Steel. Heat Treated 45-50HRC, Electroless Nickel plated.
Locking Block has been tested at 10,000+ rounds with a Glock Factory frame.
Made in USA
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