Product description
MB02, MB03 replica tune up kit
The MB02 and MB03 replicas tune up kit includes a steel made spring, a piston and a ball-bearing metal spring guide. The whole set allows to upgrade the replica up to the muzzle velocity of about 500FPS.
| Product weight [g] | 300 |
Reviews of our customers
3.80
Number of reviews issued: 5
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3/5
Opinion confirmed by purchase
2018-04-28Fits well in my MB-03 and it certainly does increase the power. Unfortunately, it increased it to 434fps with 0.4g, or about 3.5J, way, way over the 500fps x 0.2g or 2.32J suggested.
I can (and will) clip the spring down to get it closer to 500fps, but as provided its far too strong.
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