The M400 SDI X Series is the out of the box performance solution. The X Series features a 16" chrome molly barrel with a free-floating M-LOK handguard, SIG Flatblade Match Trigger, ambidextrous bolt catch and release, Magpul SL stock, and mid-length gas system.

Features:

• • Ambidextrous Bolt Catch and Release
• • Low Profile Gas Block with Mid-Length System
• • SIG Flatblade Match Trigger
• • Hybrid Compensator/Flash Hider
• • Magpul SL Stock

Product Attributes
Accessories	Semi-automatic
Caliber	556NATO
Capacity	M-LOK
Condition	30 Rounds
Firing Casing	Anodized
Frame / Material	223 Remington
Grain Weight	Polymer
Hand	Sig Sauer
MOA	M400
Manufacturer	RM400-SDI-16B-P
Model	XSERIES
Size	AR
Type of Barrel	16"