AR:K ST Upgrade kit With Apex2 Ready Barrel Spyder Threaded Barrels And with the Cyclone Feed

And with the Cyclone Feed

a stainless steel braided air line and an ASA fitting

that's just how we roll

Techt did this by aiming to make the most air efficient bolt while achieving the lowest possible sound signature

000+ ball shot count on one set of three AA batteries

AR:K ST Upgrade kit With Apex2 Ready Barrel Spyder Threaded Barrels And with the Cyclone FeedThis 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!