The AR15 Forward Assist button is a standard replacement component designed for AR-15 rifles. Made from durable steel alloys, this forward assist ensures reliable bolt lock-up in challenging conditions. Ideal for both new builds and replacement needs, it meets the specifications required for standard AR-15 platforms.Key Features•Durable Construction: Made from high-quality CK steel and 11SMnPb37 free-machining steel for superior strength and durability.•Reliable Operation: Provides consistent forward pressure to ensure complete bolt lock-up.•AR-15 Compatibility: Designed for standard AR-15 upper receivers with proper alignment and function.Specifications•Material: CK steel and 11SMnPb37 steel•Weight: 0.022 kg