Most notably

Gas Type: Green Gas / Propane

the gun also features a magazine disconnect that prevents the gun from dry firing without the magazine *Attention: Do not insert the magazine with the magnet follower exposed as doing so may damage the magazine follower

An integrated trigger safety helps prevent accidental firing

Realistic blowback action provides a healthy kick and an impressive display of performance

T4E Magazine Rebuild Kit for S&W M&P 9 M2.0 & TPM1 Beanie Most notablyThis Magazine Rebuild Kit for S&W M&P 9 M2. 0 & TPM1 allows you to quickly restore . 43 caliber magazines to perfect working condition. Compatible with S&W M&P9 M2. 0 and T4E TPM1, this rebuild kit offers an easy way to extend the life of your magazines for years to come.