Check the listing for details. Airsoft Mutation Whisper MK.II AEG Piston Head. Condition: New. Listed at 24.00 USD. Airsoft Mutation Whisper MK.II AEG Piston Head Toss it in any build you want and expect it to last longer than anything in the gearbox. The Whisper MK.II (Mark 2) is the strongest polymer piston head on the market. CNCed from an extruded rod of Dupont DelrinVery low coefficient of friction and extremely high impact resistance As durable as an aluminum piston head While granting all the benefits of a polymer piston head. Grade 12.9 zinc plated screwStrong enough to strip cheap allen keys before the screw gives out. 2mm hex drive CNC Aircraft Grade 7075 Aluminum Threads Flat Front Face Edge to Edge to Reduce Dead Air ZoneGood for setups requiring maximum useable air volume. FKM Oring For better performance under high heat usageThreadlock (Blue) is required for installation Airsoft Mutation Whisper MK.II AEG Piston Head Toss it in any build you want and expect it to last longer than anything in the gearbox. The Whisper MK.II (Mark 2) is the strongest polymer piston head on the market. CNCed from an extruded rod of Dupont Delrin Very low coefficient of friction and extremely high impact resistance As durable as an aluminum piston head While granting all the benefits of a polymer piston head. Grade 12.9 zinc plated screw Strong enough to strip cheap allen keys before the screw gives out. 2mm hex drive CNC Aircraft Grade 7075 Aluminum Threads Flat Front Face Edge to Edge to Reduce Dead Air Zone Good for setups requiring maximum useable air volume. FKM Oring For better performance under high heat usage Threadlock (Blue) is required for installation &times &times &times &times &times Buy now and save! Shipping info Click the Shipping & Payments tab above the listing description for more info Click the Shipping & Payments tab above the listing description for more info! Additional delivery notes PICK UP OPTION Sorry, our items are NOT available for pick-up. PAYMENT Immediate payment is required upon selecting "Buy It Now" or upon checking out through the cart. We accept payment via U.S. PayPal accounts and all Major Credit Cards, Debit Cards & Google Pay. We are legally required to collect sales tax in those states and localities where we maintain a physical presence (nexus). The applicable amount of sales tax charged to an order will be calculated based on the shipment destination's state and local sales tax laws. Thank you for shopping with us on eBay! Additional Information No additional information at this time Ask seller a question You might also like 1/32" Airsoft 70D Die Cut Neoprene Buffer ASG Airsoft Ultimate 28TPA CNC Long Motor ASG Airsoft Ultimate 16TPA CNC Short Motor ASG Airsoft Infinity Boost 40K RPM 14TPA Short Motor Contact To contact our Customer Service Team, simply click the button here and our Customer Service team will be happy to assist. Ask seller a question © BRILL ARMORY Shipping & Payments Click the Shipping & Payments tab above the listing description for more info Payment Accepted Payment Methods Immediate payment is required upon selecting "Buy It Now" or upon checking out through the cart. We accept payment via U.S. PayPal accounts and all Major Credit Cards, Debit Cards & Google Pay. We are legally required to collect sales tax in those states and localities where we maintain a physical presence (nexus). The applicable amount of sales tax charged to an order will be calculated based on the shipment destination's state and local sales tax laws. Thank you for shopping with us on eBay! Returns Returns are accepted Items must be returned within 30 days of the auction ending Buyer will pay for return shipping. eBay integration by