If you buy the SLP, send it to SRM Performance
for a SureCycle system and a reliabilty tune-up.
The SureCycle system will reduce felt recoil by about 20% and the reliabilty tune-up will eliminate the springs in the gas pistons, replace the magazine follower and spring, and they will lap the bolt. The gun will run faster and smoother with less recoil.
This will cure the "finicky" complaint completely - although my SLP ran fine after about 150 rounds - the SRM mods just made it run better. It will now run anything from 1-oz loads through slugs with the heavy gas piston. You can increase the accuracy on the gun with slugs by using a Briley rifled Diffusion Choke.
You could probably have the same modifications done to the VM and increase its performance as well.