Description

A rock-solid foundation only gets you so far. That explains why many of today's rifles ship with plastic handguards and throwaway furniture, two things not found on the SIGM400 PRO, SIG SAUER's take on what an AR-15 should be. This carbine comes with the good stuff - all of it - pre-installed. Like a free-floating M-LOK handguard, which promotes accuracy and handling. Or a quality grip and premium, 6-position buttstock with integral QD points. The M400 PRO comes standard with AMBI controls. The Enhanced SIG Trigger on the M400 PRO enables the shooter to extract excellent accuracy from the rifle?s lightweight, 16" nitride barrel that is equipped with a SIG Micro-light Gas Block. Firearm Features Free Floating Handguard Free-floating M-LOK handguard promotes accuracy and handling. SIG Enhanced Trigger The Enhanced SIG Trigger on the M400 Elite enables the shooter to extract excellent accuracy. 6 Position Telescoping Stock with QD Points Promotes comfort and proper shooting positions for shooters of all sizes.
MPN#: WRM400-556N-16B-PRO

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Rebates for Sig Sauer brand

Exp. date: 01.09.2026
Buy a New Applicable SIG SAUER Handgun Between 06/01/26 and 08/31/26, Receive One (1) SIG SAUER FOXTROT-EDC COMPACT Flashlight. (SKU: SOFEC002)
*Purchases of all SIG SAUER P365, P320, M17-M18, P210, P211, P220, P226, P229 and 1911 models are included in this offer. All other SIG SAUER Handguns are excluded from this promotion.

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