1. No.

2. Why?

HK came up with caseless in order to eliminate extraction. They needed to eliminate extraction to increase burst rate. They wanted to increase burst rate to improve Ph.

Caseless ammunition is inextricably linked to the operating system of the G11. If you aren’t compromising the design of the firearm to meet the specific purpose of the HK designers, caseless offers no benefit. Even if it worked, which it doesn’t.

Your idea makes caseless ammunition worse for no reason.