Most EU Destinations £15 P&P with RM International Tracked & Signed Magic 9 Design Ltd Rohm Twinmaster Tuning Kit (PCP)Ĭomprising a pair of carriers, assister spring, regulator shim pack and full stripping, fitting, reassembly and tuning instructions. (iii) unscrew the cylinder fully and remove (ii) fire the pistol until gas output drops noticeably, 3 shots usually suffices. Please note that the correct procedure to prolong the life of the O ring and cylinder and regulator nose threads is on removal of the cylinder to. Two Regulator Nose O rings and more than enough silicone grease to maintain them. Rohm Twinmaster PCP Regulator Nose O Rings Rohm Twinmaster PCP Regulator O Ring Kitsįor repair/reseal of leaky Rohm firing regulators - includes required Silicone Grease to re-lube the internal and external O rings on reassembly. The slimmer hex portion of the replacement also solves a common problem with inadequate valve pin travel limiting power and facilitates tuning for HFT/Silhouette/Long Range Target with increased valve travel and dwell in both PCP and CO2 models.įitting the M9D upgrade valve cap to a Twinmaster with a stripped valve thread gives more engagement in the unused portion of the frame threads than the standard Rohm valve cap, resulting in stronger cap retention and also quickly and effectively repairing an otherwise scrap pistol. The upgrade/repair replacement cap incorporates both rear flange seal and internal valve stem seals. Magic 9 Design has designed and developed an upgraded valve cap which is retained by five full turns of the thread (utilising all the thread in the Twinmaster frame) and incorporating a replaceable, press fit valve seat, giving extended life. With the end of parts availability the main seal is also no longer available. The Standard Rohm Twinmaster valve cap is retained by approximately two full turns of it's fine metric thread, failure of the thread in the pistol frame whilst not common is not unknown, this can render the pistol inoperable. The photo opposite shows the Phosphor Bronze M9D Valve cap (left) along side the standard plated Brass Rohm cap. Rohm Twinmaster PCP & CO2 Valve Cap Upgrade and Stripped Thread Repair We are now able to offer new cylinders for Rohm PCP models, based on a new Steyr pistol cylinder Magic 9 Design can now manufacture a replacement end plug to suit either type of Rohm regulator making your pistol eligible for competitions which require pistol cylinders beyond a specific age to be replaced.
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