Jebs Choke Tubes High Voltage Waterfowl 12 Gauge Choke Tube BIP 695 Matte Stainless NSN No JPC-12B2/695. The Jebs Choke Tubes High Voltage Waterfowl Black Nitride 12 Gauge BIP 695 Choke Tube will deliver on all three accounts. This Choke Tube by...