Posted: 3/14/2026 9:06:26 AM EDT
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I''ve built a 6ARC upper with the intentions of shooting some PRS style matches. I put an old era3 rail I had laying around on it for now but I'm wondering if there is a traditional style rail that would give me less POI shift when shooting from various positions. In another thread I saw someone mention using a rail with a longer steel barrel nut. Does this make a difference as I thought the shift came from the flex in the actual upper receiver. Eventually I may look at purchasing an aero enhanced upper but they are not currently available anywhere. |
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Handguards can make a difference, especially if you want a very long one and plan to load a bipod that's placed far forward. While you should probably avoid an ultra-light handguard on a precision gun, it's not necessarily the highest priority. It's a better to focus on a good upper like a VLTOR MUR or BCM thermal fit. Alternatively, you could glue the barrel in with green Loctite. Then learn to shoot the gun in a way that it likes best. Test your bipod position and load, practice varying amounts of grip pressure, and learn how tripod or barricade shooting works with a gas gun. |