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cylinder head

  1. VSR Rifles
    Hi, I recently bought a Well MB03D and thought I'd upgrade the Piston + Spring to get me closer to 550FPS. Upgrades: Metal Piston + Spring Guide + SP170. After installation, initial Chronos showed 570-575FPS with .20G BBs. Unfortunately, after about 10-12 shots, the cylinder head comes off...
  2. VSR Rifles
    Hello everyone, so about a year ago, I've decided to build my VSR-10. So, I went for the JG BAR-10, because it's cheaper and I wanted to change all the internals anyway. Internals: 433mm 6,03 Prometheus barrel, PSS-10 hop up chamber (AirsoftPro red hop lever + PSS-10 bucking), AirsoftPro...
  3. General Sniper Talk
    PSA: Using Sorbo-pads with "cup" style piston heads can cause serious problems. Using thinner sorbo Pads with "Cup" type piston heads and high powered springs can result in deterioration and deformation of the sorbo pad, and by extension, loss in FPS, barrel blockages, and even complete failure...
  4. General Sniper Talk
    ATM I'm referring to bolt action. Dose it matter where you attach the sorbothane? Cylinder head or the piston? Normally I would attach it to the cylinder head. But my cylinder head has a shape as a cone and a very smooth finish, so the sorbothane do not stick as well to it. And yes i used super...
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