This is the Alexander Arms AR-15 .17 HMR 10-round magazine. 

For use exclusively with your Alexander Arms AR-15 chambered in .17 HMR, this genuine 10-round magazine will keep your rifle feeding smoothly and reliably at a great price.

Special attention has been paid to the feed lips during the manufacturing process, smoothing them out for maximum efficiency. The entire body and follower are constructed from a lightweight yet durable polymer, resulting in an extremely capable magazine that won’t weigh your kit down.  

Whether you’re protecting the farm from a plethora of varmints or plinking away at the range on the weekend, these 10-round magazines are just what you need to go along with your Alexander Arms rifle.

At these prices, you might as well stock up on several magazines! Add some to your cart before they sell out.