Blowback Maniac Airsoft tackles several functional and cosmetic issues with the VFC MDX SBR. The primary culprit is a stubborn charging handle that relies more on hope and gravity than actual mechanics to function. To remedy this, he swaps it out for a VFC BCM Gunfighter handle, which actually latches properly and saves the user from the indignity of a rattling, non-responsive bolt.

The makeover continues with a focus on ergonomics and noise reduction. The original pistol grip is replaced with a Magpul K2 Plus because the factory version was apparently designed for someone with much smaller hands and a higher tolerance for sharp edges. He also discovers a loose barrel nut and a "rattlesnake" fake gas tube, which he silences using a high-tech solution consisting of a small shaving of foam, proving that sometimes basic hardware store logic beats complex engineering.

To wrap things up, the replica receives a series of aesthetic upgrades, including a mock silencer and a Magpul foregrip. While a failed paint job on the silencer stays off-camera to protect his pride, the final result is a much more solid and quiet piece of equipment.