Specna Arms Oblivion 13:1 Short Stroke precision gear set with improved timing

Description Specna Arms Oblivion 13:1 Short Stroke precision sprocket set with improved timing By far the best sprockets on the market especially for our best customers, all at a decent price.The Specna Arms Oblivion set of sprockets has been created to satisfy everyone – even the most demanding servicemen and players who expect the highest quality. Features of the merchandise: – Improved Timing – The pushrod tension has been moved to the height of the second tooth, so that with high-force and brushless motors you will avoid the nozzle PME phenomenon.– Excellent quality control– Manufactured from 40Cr steel– Short Stroke version Rockwell hardness scale: – Centre and piston pinion HRC42-50– Drive sprocket – HRC42-47 (CNC machining)– Gear axle HRC55-60