Introducing the Specna Arms x JVAN 12_1 Short Stroke precision gear set with improved timing — a high-performance gearbox upgrade for airsoft enthusiasts seeking reliability and precision. By far the best sprockets on the market, especially for our best customers, all at a decent price. This short stroke precision sprocket set for airsoft gearbox upgrade is designed for demanding players and service teams, delivering improved timing and longevity. Crafted by JIN, known for quality and performance in the airsoft community. Explore related airsoft parts to optimize your build. ⚙️💥

• Improved timing - The pushrod tension is positioned at the height of the second tooth, avoiding the nozzle PME phenomenon with high-force and brushless motors for smoother operation.
• Short Stroke design - Short Stroke version enhances response and reduces wear for faster, more reliable cycling.
• Premium materials - Manufactured from 40Cr steel for durability and long-lasting performance in tough field conditions.
• Excellent quality control - Rigorously inspected to ensure consistent, dependable performance in every set.
• Hardness specification - Centre and piston pinion HRC42-50; drive sprocket HRC42-47 (CNC machining); gear axle HRC55-60 for outstanding wear resistance.
• Complete gear upgrade - A comprehensive short stroke gear set designed to deliver improved timing and reliability with minimal setup.

Technical specifications

• Material - 40Cr steel
• Version - Short Stroke
• Pushrod timing - Optimized to reduce nozzle PME with high-force and brushless motors
• Centre and piston pinion hardness - HRC42-50
• Drive sprocket hardness - HRC42-47 (CNC machining)
• Gear axle hardness - HRC55-60
• Quality control - Excellent