ID: 51578 (KIT-MB13-ASR-FTK)
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MAP ProtectedExempt From Coupons
- High quality CNC machined aluminum piston and spring guide
- High quality O-ring for improved pressure seal
- Ball bearing spring guide prevents binding
Piston, Spring Guide, Upgrade SpringCompatibility:
For ASR / SR-2 / MB13 Airsoft Sniper RiflesMaterial:
CNC Machined Aluminum, Spring SteelManufacturer:
Echo1 / WELL
About ECHO1 / JAG
Since its inception the Echo1USA brand has strived to provide our clients with uncompromising quality of products and customer service. As avid Airsoft players ourselves, we are able to understand the needs of the sport and the frustration with inferior products. Our commitment to yielding the finest most affordable Airsoft Guns and Accessories on the market today is steadfast, and remains the foundation of our continued success.
California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
(Write a review)
"So far so good. I have used it for one day, so idk about longevity yet.
Installed into my SR-2. Stock I was getting 350 FPS using 0.3g's, now with the upgrade I'm shooting at 430 FPS with 0.3g's. I can now shoot farther, flatter, and with less drift, and people can now feel those long range shots!
Cons: Shooting and cocking is a bit louder now since you have metal rubbing on metal, but thats to be expected. A homemade foam suppressor can bring the noise back down to stock levels.
FYI spring is for 11mm pistons like the stock SR-2 has, NOT 13mm. Also it is about an inch longer than the stock spring, so it will take a bit of squeezing it get the bolt back together.
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