AR:K ST Upgrade kit With Apex2 Ready Barrel Bolts 300 mah charger (Battery charge

300 mah charger (Battery charge time: 4 hours)

improves reliability and increases the battery life of your gun

Fits (among others)

the semi-automatic Custom Pro Marker with E-Trigger also features a quick-release feeder elbow

(Sold separately)

AR:K ST Upgrade kit With Apex2 Ready Barrel Bolts 300 mah charger (Battery chargeThis upgrade kit turns your standard AR: K into the newer very limited release ST AR: K. These are very limited and won't be around for long as we are the only store in the U. S. to receive these. The barrel is a . 691 bore size and is Apex2 ready. The shroud has 4 Picatinny rails on it that can mount a variety of items. Don't let this awesome upgrade slip by!