BudsGunShop.com - HolosunHS507KX2 mount on a tisas px9 gen3
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I need mounting plate on a tisas px9 gen3 to put my holosun HS507K x2
2 Answers

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The PX9 uses an RMR footprint so this adapter should do it: budsgunshop.com/product_info.php/products_id/714029799/chp+rmr+adapter+to+holo+407k+507k
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Hi Robert and welcome back. The Tisas PX-9 G3 has an RMR Optics Cut. (The Holosun 507K x2 uses the RMSc footprint): You will need an RMSC Optics Plate.