ACM M110 AEG Hyper Spring (SP110)

Achieving the perfect balance between extended range and gearbox longevity requires accurate spring tension and smooth mechanical operation. The ACM M110 AEG Hyper Spring (SP110) provides a reliable compression foundation engineered to boost muzzle velocity while keeping your internal drive train running smoothly.

Precision Steel Construction & Tension Stability

Manufactured from heat-treated steel wire, this upgrade spring resists compression fatigue across thousands of cycling rounds. The consistent coil spacing ensures uniform force progression during piston draw, preventing power drop-off during extended field games. Engineered with ground-flat ends, the spring rests completely flush against internal components, allowing unhindered axial rotation against your piston head and spring guide to minimize torsional stress inside the gearbox shell.

Skirmish-Ready FPS Performance

Upgrading to an M110 rating increases your air displacement pressure, helping your rifle push through air resistance for flatter mid-to-long-range engagements. When installed in a setup with optimal air seal efficiency, an M110 rating typically yields between 350 FPS and 380 FPS (measured using 0.20g BBs). This makes it a popular upgrade choice for outdoor skirmish fields operating right around standard UK site power limits.

Key Features & Technical Benefits:

• High-Tensile Steel Wire: Resists linear tension decay for dependable long-term FPS output.

• Precision Ground Flat Ends: Minimizes axial torque and internal binding against gearbox components.

• Skirmish-Optimized Output: Delivers an expected performance range of 350 to 380 FPS.

• Universal AEG Compatibility: Fits standard Version 2, 3, 6, and 7 electric airsoft gearboxes.

• Efficient Energy Transfer: Provides smooth compression without overloading standard motor setups.

Tech Installation & Usage Guidance

Before fitting an M110 spring, check your local site limits to ensure your final velocity complies with field rules. To maintain smooth cycling and prevent premature wear, we recommend pairing this main spring with a quality metal spring guide with ball bearings and ensuring your cylinder head and piston o-ring maintain an airtight seal.