This magazine is compatible with Umarex's Gauntlet air rifle and holds up to 10 pellets. This model is for .22 cal. The Gauntlet Rotary Magazine advances each pellet with the operation of the bolt on the Umarex Gauntlet PCP air rifle. This magazine is a .22 caliber and holds 10 airgun pellets. The magazine slides into the receiver with ease. Loads easily. And has numbers on it to indicate the shot you are on so that you're fully aware how many rounds you have left before the magazine is empty. 2 magazines included in this package. #html-body [data-pb-style="62DF828861A42"]{justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; margin: 0px 0px 10px; padding: 10px;}#html-body [data-pb-style="62DF828861A4E"]{border-style: none; border-width: 1px; border-radius: 0px; margin: 0px; padding: 0px;}