Acetech Lighter BT Tracer Unit (Flat Black) PK32 This means our ammo is

This means our ammo is perfectly round

• Auto Balance Charge

This warranty is non-transferable

Compatibility – M4 Lower Receivers

Upgrade slide for your pistol

Acetech Lighter BT Tracer Unit (Flat Black) PK32 This means our ammo isFeatures Lighter BT can connect cell phone through Bluetooth and can perform the function of speedometer through AceSoft APP Works with green and red tracer BBs Sustained ROF up to 35 rounds per second Rechargeable built in Lithium Polymer battery; fully charged battery will last over 30,000 rounds LED power and electricity quantity display Auto shutoff after idling for 2 hours One M11 clockwise thread adapter and one M14 counter clockwise thread