The Luth-Ar AR-15 Mil-Spec Hammer With J-Spring is a factory replacement fire control component designed to restore dependable trigger function in standard AR-15 rifles. Built to true mil-spec dimensions from durable steel, this hammer arrives with the J-spring already installed, providing consistent engagement with your trigger and disconnector for reliable ignition shot after shot.

This hammer is ideal for builders and owners who want a straightforward replacement part for repairs, maintenance, or new AR-15 projects. Its mil-spec profile works with common semi-automatic AR-15 platforms, supporting smooth, repeatable trigger operation for range use, training, or general-purpose rifle builds. Luth-Ar’s long-standing focus on practical, no-nonsense components shows in the clean machining and fit of this hammer.

Key Features:

• Manufacturer: Luth-Ar
• Model: Hammer AR15, Mil Spec W/J Spg
• Firearm Platform: AR-15
• Firearm Type: Rifle
• Action: Semi-Automatic
• Material: Steel
• Condition: New
• Weight: 0.1000 lbs