Master Lock Pin Tumbler Solid Brass Locks Keyed Differently Available to order on-line. Ships in 5-14 days $3.95
Allen Trigger Gun Lock Single Keyed Comes with Two Keys Available to order on-line. Ships in 5-14 days $7.35
Master Lock California Approved Cable Gun Lock Keyed Alike Available to order on-line. Ships in 5-14 days $12.12