No, this will not fit the VSKA Trooper.
The TROY Battle Rail AK47 TOP should work with the BFT47. While it has not been tested on this rifle, the gas tube is adjustable and the design of the BFT47 is a standard AK47. So you should have no issues using this AK47 Top rail/gas tube on your rifle.
No, this will not fit the M70 ZPAP.
Yes, the Troy BattleRail is compatible with the VSKA as well as all stamped and milled receiver AK rifles with a standard-length gas tube.
The manufacturer does not state if the Troy BattleRail AK47 Top Black will fit an Arsenal SLR107R. I recommend contacting the manufacturer to confirm compatibility.
The Troy BattleRail AK47 might work with a PSA AK556. However, I recommend contacting the manufacturer to confirm compatibility.
This Troy BattleRail will fit all (stamped and milled receiver) AK rifles with a standard length gas tube.
The Troy BattleRail AK47 might fit the Arsenal SAM5. However, due the many AK variants with different tolerances and specifications fitment cannot be guaranteed.
The Troy BattleRail AK47 will fit standard length AK47 gas systems. So if your PSA AK-P uses a standard AK47 length gas system it should work.
This Troy BattleRail should be able to fit as it is compatible with all (stamped and milled receiver) AK rifles with a standard length gas tube.