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    • Find the FPS rating of your APS M4 AEG Rifle
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Category: Tech Tip – Hopup & Barrel

September 27, 2024Tech Tip - Hopup & Barrel

Airsoft tracer unit: pros and cons

Airsoft tracer units are popular among airsoft enthusiasts, especially for night games or indoor environments where visibility can be limited. They enhance the experience by […]

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September 9, 2023Tech Tip - General, Tech Tip - Hopup & Barrel, Tech Tips

Bullet weight

The weight of airsoft BBs (ball bearings) can vary significantly, and different BB weights are used for different purposes and styles of play. The most […]

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May 5, 2018Tech Tip - Hopup & Barrel, Tech Tips

Echo1 KG9 Hopup

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April 13, 2018Tech Tip - Hopup & Barrel, Tech Tips

Putting together the hopup unit

It is recommended that you first insert the hopup rubber into the inner barrel, then you insert the barrel into the empty hopup chamber. Have […]

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January 6, 2015Tech Tip - Hopup & Barrel, Tech Tips

Hopup back spinning

According to the Bernoulli’s principle, if a bullet is given a backspin an overpressure is formed under the bullet and an underpressure is formed on […]

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January 6, 2015Tech Tip - Hopup & Barrel, Tech Tips

High precision barrel

High precision barrel helps increase both the muzzle velocity and the accuracy of an AEG by downsizing the inner diameter from the stock 6.08mm to […]

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January 6, 2015Tech Tip - Hopup & Barrel, Tech Tips

Hopup and accuracy

Strictly speaking, the back spinning effect created by the hopup function often produce uncertainty and can lead to poorer accuracy. However, we have to face […]

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January 4, 2015Tech Tip - Hopup & Barrel, Tech Tip - Troubleshoot, Tech Tips

Weakening hopup

Extreme cold weather can cause the hopup rubber to get hardened and break. Release the hopup rubber after every game and apply sufficient silicon oil […]

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January 4, 2015Tech Tip - Hopup & Barrel, Tech Tip - Troubleshoot, Tech Tips

Barrel length and accuracy

With a short inner barrel, the only way to achieve better bullet stability is to use heavier BBs such as 0.25g. At the stock power […]

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January 4, 2015Tech Tip - Hopup & Barrel, Tech Tips

Barrel length

What is a quick and easy way to determine the cylinder to use for an extended barrel? Refer to the barrel length table below. If, […]

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InfoAPPs

  • Find the FPS rating of your APS M4 AEG Rifle
  • Find the inner barrel length of your APS M4 AEG Rifle
  • Identify your AEG gearbox version
  • Find the nozzle length of your Airsoft AEG Rifle
  • Find the inner barrel length of your Airsoft AEG Rifle
  • Find out how many Amps your Lipo pack can push
  • Find the effective range
  • Airsoft Cylinder Type Lookup
  • Airsoft AEG Cylinder and Inner Barrel Matching
  • Finding impact force given airsoft BB bullet velocity
  • Find a power spring for your AEG
  • Find the minimum voltage of a lipo pack (for Airsoft AEG)

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