Neptonics is proud to offer this new AR-15 Speargun Handle with a fully interchangeable pistol grip. This is our version of the military spec speargun handle Mil-A-8625 that is based from the Tinman design. This handle is made of a full metal alloy base, coated to military specifications. Features include interchangeable handles. The Neptonics AR-15 Handle is engineered to maintain a comfortable, sturdy grip as well as a high level of control. The AR-15 is made to work with Mid-Handle & Rear-Handle Spearguns.