If you ordered the Top M4 shell-ejecting AEG and would like to load up more on shells, you can check the Hornbill products as they're at US$7.99 per 30-pc package as compared to the original 30-pc package for US$10.00. These are spare plastic shells without any electroplating process which they claim are more environment friendly. These are available at RSOV.com.

Active breaking systems for airsoft are also now being on top of the list of many serious airsofters. This item at RSOV.com can be had for discounted price of US$14.39... "Hornbill MOSFET active braking unit for M4 AEG. Modified version with Telfon sleeved wires able to carry higher current and higher temperature than normal PVC insulation wires.