PRODUCT DESCRIPTION:Blasterparts Nerf Modulus Recon MKII Tactical Range Kit with upgraded spring. Featuring an 8kg, durable design.
SPECS: • Equivalent mass of spring: 8kg • Firing range increase: 120% • Muzzle velocity increase: 70%
*Photo by Blasterparts
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fast shipping. used the kit in my elite alpha trooper, works great