Photos: .300 AR-Style Rifles

AR-15/M16 Gas Piston Conversion Kit Primer Download

Information about AR-15 M16 Gas Piston Conversion KitsEnter your e-mail in the box below for a free tutorial on AR-15/M16 gas piston conversion kits. Plus, you'll receive even more information in Gun Digest‘s e-newsletters.

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.300 Whisper Conversion

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The easy thing about a .300 Whisper conversion: a new barrel. If you have an AR with a shot-out bore, you can have a Whisper for the cost of a replacement barrel. Almost every other caliber requires more than that.


Gun Digest Book of the AR-15 Vol. 4This photo gallery is excerpted from the new book by Patrick Sweeney, Gun Digest Book of the AR-15, Volume 4. Click here to order this in-depth AR-15 book for only $19.39 (that's $10 off retail).