SiJun SJ Metal Charging Handle Blowback Parts

Transform your SJ platform with these precision metal components, engineered to elevate your sj mk18,  sj m4, or  sj hk416d 's performance and realism:

Choose Your Upgrade:
✔ Charging Handle – Smother operation, no more flex
✔ Blowback Kit – Enhanced recoil feedback
✔ Dust Cover – Eliminates flimsy plastic
✔ Mag Release – Positive engagement every time
✔ Dowel Pin – Reinforced critical stress point

Key Benefits:

• CNC-machined from premium alloys

• Matte black finish for tactical look

• Direct fit for all SJ-series blasters

Why Upgrade?
• 3x durability vs stock parts
• Improved functionality across all controls
• Authentic weight and feel

Package Options:
Select individual components or build a complete metal conversion set