Does the Glock 45 during the shoot and recoil not make any changes on the aiming device? Does it works well? Thank you.

It will hold zero, yes. And Sightmark is excellent. We wouldn't carry it if it wasn't.

will the PCH work on the following Glocks G45 in 9mm G21 in 45 cal G19 in 9mm

19 yes, 21 no, 45 yes. You can see a full list of compatible models and generations on the fit chart tab above on this page.

Will this fit Canik tp9 elite sc optic cut

Looks like you"ll need an adapter. Came across this with some quick Googling.

Optics

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2020 Accessories, Compact Rails and Over Rails, Lights & Sights, OEM, P-IX Conversion Kits - AR Platform for Glock Pistols, P-IX+ Accessories, Rail Adapters, Red Dot Sights, Stabilizer Kits, Stabilizer Kits & Compatible Accessories

Sightmark Mini Shot A-Spec Reflex Sight – PCH17, GB20, UR20 Compatible
Rated 5.00 out of 5
$99.95 Add to cart
Stabilizer Kits & Compatible Accessories, 2020 Accessories, Grip & Rail Accessories, Lights & Sights, Lights and Lasers, OEM, P-IX Conversion Kits - AR Platform for Glock Pistols, P-IX+ Accessories, Red Dot Sights, S-Pro, Stabilizer Kits

Crimson Trace CTS-105 Rail Mounted Red Dot Sight
$89.95 Add to cart
Stabilizer Kits & Compatible Accessories, 2020 Accessories, Lights & Sights, OEM, P-IX Conversion Kits - AR Platform for Glock Pistols, P-IX+ Accessories, Red Dot Sights, S-Pro, Stabilizer Kits

Sig Sauer ROMEO5 GEN II 1×20 mm
$149.99 Add to cart
1911, 2020 Accessories, Beretta, Glock, Hi-Power, Lights & Sights, Newest Products, P-IX+ Accessories, Polymer80, Red Dot Sights, S-Pro, Sig Sauer P365, Smith and Wesson

Osight X 3 MOA Dot & 32 MOA Circle with OAL Material
Price range: $24.95 through $254.90 Select options
Stabilizer Kits & Compatible Accessories, 2020 Accessories, Grip & Rail Accessories, Lights & Sights, Lights and Lasers, OEM, P-IX Conversion Kits - AR Platform for Glock Pistols, P-IX+ Accessories, Red Dot Sights, S-Pro, Stabilizer Kits

Crimson Trace CTS-103 Rail Mounted Compact Red/Green Dot SIGHT
$99.95 Add to cart
Stabilizer Kits & Compatible Accessories, 2020 Accessories, Lights & Sights, OEM, P-IX Conversion Kits - AR Platform for Glock Pistols, Red Dot Sights, S-Pro, Stabilizer Kits

Noblex NV 1 x 25 CS Glock MOS Red Dot Sight (S-Pro and 20/20 compatible)
$499.95 Add to cart

Showing all 6 results