Who owns a CZ MTR,or an RAP?

[Harpoon1]

The ASC 5 and 10 rounders work best in my RAP. The 5 rounders are the ones I prefer. 100% functionality. The 10 rounders will hiccup the last round occasionally. I shoot everything from 100's to 130's in factory and reloads. For the RAP, it's all about the mag spring tension. Hint..................it doesn't like a lot of it!

How about another hint?

I cut 2 coils off the factory ASC spring. That left some tension on the follower in an empty mag. If I cut another full coil off, there is barely enough tension to hold the follower all the way up. I mean barely, I got the sense it would sag with the weight off a round on top of it.if I cut a half coil then I change the geometry of the spring, if that matters. The spring would look like Z instead of a W. Does that sound about right or are you using another brand of spring?

Thanks in advance