Pros: works
Cons: more expensive, more painful, high likelyhood of damage, the head is larger than the foam so there will be a worse seal with the barrel, also, it won't go into a barrel bacalse the head is too big.
Did i miss anything?
Actually, the head is just the exact size of the foam amazingly !
Also I just kinda stole it from my work stool because they usually fall off so I just took them off and realized I was missing more than half already.
A real bad con of this is that it is not as durable as you think contacts on hard walls damage the wood
(shooting on a brick wall..) And i don't think that pain is really a con but damage is.