Original Bob Sled AR-10 ArmaLite Match Single Shot Conversion Magazine

Original Bob Sled AR-10 Match Single Shot Conversion Mag - FITS ARMALITE (NOT DPMS)
- The AR-10 sled fits only ArmaLite pattern AR-10 rifles and provides a single shot loading bed or follower to allow the easy loading and firing of single rounds during competition, benchrest , or varmint shooting. Made from durable, long lasting Delrin® to ensure a lifetime of use, the AR-10 Bob Sled simply replaces your magazine to allow easy loading of single rounds. The AR-10 Match Sled is the same size as a standard magazine and meets the Match Rifle rules for High Power Rifle Competition. It also works well when load developing or shooting off the bench. 
- Here's How It Works - The Original Bob Sled (OBS) is inserted instead of a magazine. When the bolt is opened, the built-in plunger trips the bolt catch and holds the bolt open. A single round is then placed in the ejection port and allowed to rest in the channel of the OBS. The bolt release button is pressed and the single round is loaded. When that round is fired, the action cycles normally and the OBS plunger trips the bolt catch lever to hold the bolt open. This provides a very smooth operation for the slow fire that is required during High Power Rifle Competition, Benchrest Competition, load development, and varmint or long range shooting where the length of the bullet may exceed maximum magazine length.