ENERGETIC ARMAMENT EA33 End Cap 5.56mm Stainless (Nitride)

The ENERGETIC ARMAMENT EA33 End Cap is designed to provide a tighter bore aperture for use with 5.56mm rounds. It is machined from American-made 17-4PH stainless and finished with a black nitride coating for corrosion resistance and durable surface protection. This accessory does not include provision for the installation of a wipe, as wipes are generally not recommended for supersonic 5.56mm use. The design focuses on precise machining and material quality to maintain consistent performance with compatible systems.

Key Specifications

• The manufacturer is ENERGETIC ARMAMENT.
• The model is labeled as the EA33 End Cap.
• Caliber compatibility is listed as 5.56mm.
• The cap is machined from 17-4PH stainless steel.
• The surface finish is black nitride.
• The component provides a tighter bore aperture for 5.56mm rounds.
• Wipe installation provision: not included; wipes are generally not recommended for supersonic 5.56mm use.
• Material origin is specified as American-made 17-4PH stainless.

For shooters and technicians who prioritize precise fitment and durable construction, the EA33 End Cap offers a straightforward, well‑machined option to tighten the bore aperture for 5.56mm systems. Its 17-4PH stainless construction and black nitride finish combine corrosion resistance with a refined appearance, making it a practical choice for careful builders and operators seeking dependable hardware without added complexity.