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- The SIG Sauer M400 has a 16-inch barrel and weighs 6 pounds, 7 ounces.
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- Dual QD sling-mount receptacles are milled into each side of the receiver.
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- The SIG Sauer M400 has an ambidextrous magazine release to provide added versatility for southpaw shooters.
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- Both of the M400’s magazine releases are encircled by thick protective fencing to prevent inadvertent magazine loss during rigorous use.
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- Vertical lines milled in the face of the mag well provide purchase for shooters who prefer to grasp the area with their support hand.
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- The mouth of the SIG Sauer M400’s mag well is flared for ultra-fast reloads.
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- M4-style feed ramps enhance reliability when firing ammunition containing bullets with large ogives.
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- A small protrusion inside the barrel extension supports the extractor body when the rifle is fired.
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- A detent located underneath the rear takedown pin lug applies upward pressure to the rear area of the upper receiver, eliminating annoying wobble.
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- Lacking many of the superfluous bells and whistles often found on new AR-15s, the SIG Sauer M400 is a straight-shooting, lightweight carbine ideal for most any application.
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- The M400’s handguards contain two metal inserts, providing double shielding and enhanced heat dissipation.
Tags: 5.56 NATO, AR, semi-auto rifles, SIG Sauer
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I JUST GOT HOME FROM WALMART AND BOUGHT ONE OF THESE RIFLES!!! I KNEW I TWAS A GREAT DEAL AT $890.00 DOLLARS AND WALMARTS ALSO GIVES YOU A BRAND NEW RED DOT SCOPE AND THREE MAGS, HARD SIDE CASE, AND SLING!!
WALMART HAS DONE US ALL A GREAT SERVICE TO BE ABLE TO BUY SUCH A GREAT RIFLE AT JUST THE BEST PRICE I HAVE EVER SEEN INCLUDING THE SCOPE, MAGS, CASE AD SLING!!!
just bought my sig m400 and it came with a railed gas block. i wanted to put a low pro gas block on it to add a free floating rail but im unsure as to whether my gass port is .750 or .625…. HELLLLLP!