This magazine is compatible in the Canik Shark-C, Canick 55 Stingray Compact, TriStar C-100 and TriStar T100 and CZ 75 Compact. The magazine isn't a factory Canik magazine, it fits and functions fine.
THIS IS A MEC-GAR CZ7516B MAGAZINE WITH THE CZ FACTORY CZ SP-01 BASE 0430177001. THE MAGAZINE FITS THE CZ 75 9mm COMPACT, CZ P-01, CZ PCR PISTOLS Canik Shark-C, Canick 55 Stingray Compact, TriStar C-100 and TriStar T100. THE MAGAZINE IS NOT BEEN ASSEMBLED WITH THE CZ BASE PAD. YOU NEED TO REMOVE THE STANDARD METAL BASE PLATE AND REPLACE IT WITH THE CZ SP-01 BASE 0430177001. When you install the base pad be sure to pull on it to confirm it is firmly locked in place so it doesn't get Knocked off. If it is didn't lock into place you can slam the front of the base pad into the plam of your hand and that should seat the magazine locking plate/magazine insert into the hole in the CZ base pad.
FOR A MORE SECURE FIT YOU CAN USE THE LOCKING PLATE: MAGAZINE BASE LOCK SP-01/40P 75/85, SP-01, 97B/BD 0421176002. MOST JUST USE STANDARD LOCKING PLATE FROM THE MEC-GAR CZ 75B MAGAZINE. THE cz 0421176002 LOCKING PLATE EXTENDS FURTHER INTO THE BASE PAD.
This is not a factory Canik magazine. However, the magazine is compatible in the Canik Shark-C, Canick 55 Stingray Compact, TriStar C-100 and TriStar T100.
When inserted the magazine will look like the inserted CZ P-06 magazine pictured below.