This magazine for the Savage A17 is produced by Butler Creek and is Savage Arms approved. It has an all metal header and feed lips for positive feeding, an anti-tilt follower, and a stainless steel spring. It holds 25 rounds of .17 HMR ammo. It can be loaded traditionally, or by using the red loading assist button on the side. The magazine is aggressively textured for a sure grip and positive control. Two magazines can be connected together for double the firepower. Mfg: Butler Creek