Stainless steel end cap for 5.56mm rifles with tighter bore aperture. Machined from 17-4PH stainless with black nitride finish for durability and corrosion resistance.
This precision-engineered end cap is designed specifically for 5.56mm rifle applications where a tighter bore aperture is desired. Machined from American-made 17-4PH stainless steel and finished with black nitride coating, it delivers both durability and corrosion resistance in demanding field conditions.
The tighter bore aperture provides improved shot grouping potential with standard 5.56mm loads. The stainless construction ensures reliable performance across varied environmental conditions, while the black nitride finish resists corrosion and wear. This end cap is an excellent choice for shooters seeking to optimize their rifle's accuracy and longevity.