Aluminum M4 Pivot Pin sr25 With additional hopup arm upgrades

With additional hopup arm upgrades

this recoil rod significantly increases the weight and felt recoil

3D printed speedloader adpater for MWS magazines

The nub is designed to be held straight as it is pushed down

It's easy to install and made of a solid material that will last a long time

Aluminum M4 Pivot Pin sr25 With additional hopup arm upgradesCNC Machined and anodised aluminium front pin for M4 Cool looking front pin from Airtac Customs in USA. Fits most AEG receivers and comes in a multitude of colors that matches the other Airtac Customs products. An additional O ring around the shaft prevents the pin from coming loose due to vibration.