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GUNS Magazine July 2012 Digital Edition - Page 45

The Ambush comes with a Magpul adjustable stock to quickly and easily adjust the rifle to layered clothing or the stature of the shooter. The Leupold 1.25-4X Hog-Plex scope is in Leupold Mk 2 30mm mount. There are enough Picatinny rail surfaces for any hunting-type accessory and the handguard is comfortable in the hand. There are enough rail surfaces to satisfy any home-defense application and the Ambush accepts 30-round magazines, too. redefines The “modern sPorTing rifle” ConCePT. different from the milspec in that the release lever is totally enclosed. This prevents inadvertent release of the stock in contact with a bench or field-expedient rest. It also allows the shooter to adjust the stock for ideal fit in keeping with personal measurements and regardless of the clothing worn at the time. The distinctive shotgun-pattern fore grip is also moveable to suit the individual user. Finish options include basic black as well as Real Tree, Mossy Oak, Break Up or Infinity. The lower unit is basic AR but fitted with the highly respected Geissele 2-stage trigger, which is non adjustable but ideal at a 2-1/2 pounds with 2-1/2 pounds of take-up and release. Unlike the Daniel Defense tactical arms, the Ambush has no forward assist. The barrel is in-house cold hammer forged with 1:10" twist. It tapers under the 12", free-floated handguard from .980" down to just below .750" then flares back up to .750" for the gas block to interface with the barrel. Ambush Arms settled on an 18" barrel for the production carbines but our test sample is a prototype at 16.5". The ballistic significance of this should be miniscule but tilted in favor of the production rifle. The barrel and chamber are not chrome lined. Instead, it is treated inside and out by the salt bath nitride process. This treatment is highly resistant to corrosion, adds lubricity to the bore and significantly extends barrel life due to surface hardening of the metal. With the sample rifle came the expectation I would not just be shooting targets and, with this in mind, I applied to Hornady for their newest loading of the 6.8 SPC (Special Purpose Cartridge). This round came about 45 The Ambush 6.8 sPC W W W. G U N S M A G A Z I N E . C O M

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