Routes hot powder gasses away from the shooter's face in the event of a blown case.
Recoil lug integral with (machined as part of) the receiver.
One piece firing pin (striker) for strength and positive ignition.
Cocks on opening the bolt to take advantage of the superior leverage.
Front locking lugs to minimize cartridge case stretch.
One piece steel bolt for strength and durability.
Here are some of the features that are desirable in a top quality bolt action (beyond the most obvious such as suitable quality steel and correct manufacturing and assembly) in no particular order: What they have in common is exceptional suitability for use in a big game hunting rifle. Some of these are used in modern rifles that you can purchase at your local gun shop and others are long out of production and are available only in used rifles. This article features the best bolt actions with which I am familiar, actions I would suggest using as the basis for a custom built hunting rifle. Big game hunting is different from varmint hunting, bench rest shooting, target shooting or sniping and requires different features from an action. (I'm talking about the actual action here, not the complete rifle.) My comments are based on the fundamental design of the action, its quality and the basic features that it incorporates. Every so often I make reference to a bolt action in either favorable or unfavorable terms, as applied to big game hunting.
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