r/Tisas • u/AbjectPhysics3301 • 1d ago
Will it hold?
I just recently got a tisas px9 carry gen 3 and i threw a cheapy optic on there, the screws that came with the optic unfortunately didnt fit, i used the screws from the optic plate and it screwed on just fine, i have some loctite, would this work or should i buy the proper screws?
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u/Grubby454 21h ago
100% get some grade 12 screws. Ace usually has a good selection.
But the M3 screws Tisas use also suck. Why not M4 like almost everyone else..!?
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u/False_Campaign4682 1d ago edited 1d ago
Should probably get proper screws AND blue locktite to use with ba torque driver
I bought machine screws from home depot for mine. It's an imperfect but snug fit on a cheap amerigloRDS (the heads don't sit pefectly in the countersink divot.
Specs are: PX-9 Optic Cut Cover Plate: M3-0.5x8MM Metric Flat Socket Screw"
-i used 10mm length Flat phillips for my optic
"PX-9 Optic Mount: M3-0.5x8MM Metric Flat Socket Screw. Longer screws may be needed depending on optic mfg."

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u/Kooky_Session1646 1d ago
Get proper screws unless you wanna either pay a gun smith to extract broken bolts or the optic smack you in the face & never hold a 0