Kiwi Milsim - M249 Plastic Box Kits

Direct drop-in replacement for the stock “2500rd” box system. Simply remove the stock feeding system from your plastic box magazine and install the Kiwi Milism Fabrications insert in its place. This kit expands your BBs capacity to 5000 BBs while retaining more than enough room for just about any battery in the lower compartment. Enjoy increased performance of your box mag and the ability to easily access and repair the feed mechanism. Utilizes Kiwi Milsim Feed Mechanism, which is wired to deans and a JST connection for a Kiwi Milsim Pressure Pad.

For new customers, please be sure to order a Kiwi Milsim Pressure Pad with this kit.

Some assembly required.

Fits Airsoft Box: https://www.evike.com/products/28621/

Fits Surplus Box: https://www.venturesurplus.com/products/used-army-m249-200-round-saw-ammo-box/