Aluminum M4 Pivot Pin sr25 this is significantly more BB's

this is significantly more BB's per bag than other brands

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

while providing even more impact resistance than the TDC Shield MK1

with no tools required (though a little pin or stick does make it easier to reach)

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

Aluminum M4 Pivot Pin sr25 this is significantly more BB'sCNC 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.