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Holosun 509PLT-MOS9MM 509 Adapter for MOS 509PLT-MOS9MM 810047071020

Holosun 509PLT-MOS9MM 509 Adapter for MOS 509PLT-MOS9MM 810047071020

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Holosun 509PLT-MOS9MM 509 Adapter for MOS 509PLT-MOS9MM 810047071020

MPN
509PLT-MOS9MM: UPC
810047071020

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6/7/2026 - You can get it, Ken. Can be backordered from Midway with three 10 rnd or three 17 rnd mags for $1053.00. Estimated In-Stock: 06/14/2026
https://www.midwayusa.com/product/1029611868?pid=788978...
A couple of other sellers has it in-stock with 17 rnd mags right now at higher prices. You'll see them on the Live Inventory page here:
https://gun.deals/search/apachesolr_search/p64550b03dc8a3...
If you qualify for Glock's Blue Label Program you can save a good amount of money on it. If you don't qualify any other way, the savings would likely be worth paying for a GSSF membership - https://gssf.pro/membership/pistol-purchase/...
This Blue Label dealer has it priced at $885.20:
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If purchased from a Blue Label dealer near you your total cost might be lower. (Save shipping and transfer fees). If they don't have one in stock they should be able to order one for you.
Here's the the Live Inventory page for the model that ships with 10 rnd mags: https://gun.deals/search/apachesolr_search/p64550b01dc8a3...
Good luck. I hope you get one!

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