I took it out to the field once, and that was it. Shoots fine, semi and full auto. No issues. Took it apart a few times to upgrade a few parts, but decided to sell it as stock parts. NO TRADES *Pre-owned Used Tokyo Marui MTR-16 GBBR - 2 Type 89 Magazine MWS(no issues) More info on the gun, links below. MTR-16: https://www.evike.com/products/19186/ Mags: https://www.evike.com/products/14297/