AirsoftPro is originally known for upgrade parts that were designed and manufactured for the spring-powered A&K SVD. The high-quality and durable parts are mainly manufactured with CNC machines. AirsoftPro is specialized on making strong high-precision upgrade parts.

The M150 spring, which has been manufactured from high-quality mixture (VDSiCr, OTEVA 70 SC), is a powerful and strong upgrade part for sniper rifles that are missing the last straw to maximum power. The diameter of the spring is 9 mm and it works with pistons which have an inner diameter of at least 13 mm. A good upgrade part for your spring-powered rifle!

Inner diameter (the diameter of the spring guide): 9 mm
Length: 242 mm
Material: Steel
Diameter of the piston: At least 13 mm
Power: M150 – equal to 2,25 J. The use of a precision inner barrel or heavier BBs might raise the muzzle velocity over 2,5 J.

Note! The stock parts of most sniper rifles, like VSR-10 and L96, are meant for a smaller, 11 mm wide spring. Thus, this spring is not compatible with the stock piston.

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