Jentra Plug fits model G21SF
|Price:||$12.99 & FREE Shipping|
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The plug is designed to close the open cavity at the bottom of the grip, not allowing debri to enter and reach trigger assembly and firing pin. It also fits flush to eliminate snagging on open cavity. Used by LE & military worldwide.
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The Jentra JP-4 does not really fit my Gen 3, Glock 21SF in that it does not seat flush with the bottom of my grip and extends approximately 1/8-inch below the grip. The JP-4 does not align with the arc at the rear of the magazine chamber, by about 1/10-inch. The half round ball that inserts into the lanyard hole securely locks the JP-4 in place, but also prevents it from moving further up the rear channel.
Not sure if Glock changed the frame design (relocating the landyard hole). For now, I'll continue to use it, and may try the Glockmeister plug.