The Odin Innovations speed Loader Internal Buffer Sound-Dampening Buffer is Constructed out of high-quality silicon rubber, this ultra-thin sleeve significantly dampen the rattling noise typically associated with hard-plastic containers (think high-cap mags), and to top it off you only loose roughly 15% of the loader's carrying capacity!

Odin Innovations M12 Sidewinder speed Loader Internal Buffer (Sound Dampener)
High quality silicon rubber construction
Significant sound-dampening effect when carrying in-person
Minimal loss of BB carrying capacity
Suitable for ODIN & EMG M12 Sidewinder speed loaders