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SIG Sauer M400 SDI X 5.56 AR-15 Pistol - 11.5"

Manufactured by SIG SAUER
SKU: PM400SDI11BLK
MPN: PM400SDI11BLK
Manufactured by SIG SAUER
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$1,499.99

Out of Stock

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Handguns are regulated by the ATF have restrictions and requirements:
 •Your Entire Order will ship only to a Federal Firearm License holder
•Carriers and shipping methods are limited
•A copy of your order/invoice as well as the current FFL License for your local dealer must be emailed to ffl@primaryarms.

Details

Details

The SIG Sauer M400 SDI X 5.56 AR-15 Pistol, with its 11.5" barrel, is designed for superior performance and reliability, developed with input from SIG SAUER Academy professionals. This firearm features fully ambidextrous controls, including a unique bolt catch and release system exclusive to the M400-SDI lower receiver, making it ideal for both left- and right-handed shooters while simplifying transitional shooting.

Features:

  • Chambered in 5.56 NATO
  • 11.5" Cold hammer forged barrel
  • 1:7 Twist rate with carbine length gas system
  • 1/2x28 Threaded with tapered shoulder
  • Magpul arm brace
  • Fully ambidextrous controls
  • 2-Stage Matchlite Duo trigger
  • Free floated M-LOK handguard
  • Includes one 30 round magazine

The free-floating handguard is engineered with a steel lockup design that maximizes rigidity, reducing deflection and ensuring accessories can be mounted on all four sides without compromising accuracy. The 2-Stage Matchlite Duo trigger offers a crisp pull weight between 4.5 and 6.5 lbs., with a flat blade design that provides a precision feel straight out of the box. Coated with high-performance finishes for enhanced durability and reliability, the M400 SDI X Pistol is built to meet the highest standards, making it a versatile and dependable choice for professional use or personal defense.

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Specifications

Accessory AttachmentM-LOK
ActionSemi-Auto
Barrel CoatingSalt Bath Nitride
Barrel ContourMedium
Barrel Length11.5
Barrel LiningSalt Bath Nitride
BrandSig Sauer
Caliber Gauge5.56 NATO
ColorBlack
Gas System LengthCarbine
Gas System TypeDirect Impingement
Handguard10.5 in Freefloat Rail
Magazine Capacity30
ModelM400 SDI
Muzzle DeviceFlash Hider
Thread Pattern1/2 X 28
Twist Rate1:7
Weight5.8 lbs.
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to www.P65Warnings.ca.gov.

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