Uncompromising piston head for perfect performance even with the strongest springs. Design with two O-rings and 11 backpressure holes for maximum performance. Thanks to the use of aerospace grade duralumin, this piston head can be used with even the strongest springs. The H+PTFE surface treatment then ensures high durability and low friction.

• Duralumin plunger head for the strongest springs, H+PTFE coated
• Head fitted with two high quality O-rings (guide and seal)
• 11 back-pressure holes with sophisticated geometry for perfect tightness in the cylinder
• Ball bearing for smooth spring operation
• Single head weight only 6 g and 11.4 g including bearing, flange and bolt
• Made of aircraft aluminium alloy EN AW 7075 T6, O-rings made of NBR 70 sh
• Made in the Czech Republic
• Package includes piston head with fitted guide and sealing O-ring, guide and sealing O-ring largerdiameter (for cylinders with larger internal diameter), bearing with flange and strength bolts with several lengths

Weight: 15g