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SKU: GAG_RM400SDI16BP-150132
SIG Sauer M400 SDI XSeries Features The M400 SDI XSeries is equipped with a 16 fluted competition barrel optimizing heat dissipation and weight reduction for improved performance during extended shooting sessions. The 1:7 twist rate delivers consistent bullet stabilization across a range of .223 Rem and 5.56 NATO loads and the barrel is threaded 1/2x28 beneath the included hybrid compensator/flash hider. The hybrid compensator/flash hider offers enhanced muzzle control while reducing flash signature making it ideal for both tactical and competition shooting. For shooters who need a precise competition-ready barrel and muzzle system the M400 SDI XSeries delivers dependable accuracy and recoil control shot after shot. The SIG Flatblade Match Trigger ensures a clean and consistent break enhancing precision shooting and allowing for faster more accurate follow-up shots during competition stages. The collapsible and folding MAGPUL SL stock adds versatility allowing for compact storage and customizable length-of-pull adjustments across a range of shooter sizes and shooting positions. The rifle ships optic ready with no sights installed giving shooters the freedom to mount their preferred sighting system and the overall package weighs in at 7 lbs with an overall length ranging from 33.5 to 36.8. For competition and tactical shooters who want a fully configured ergonomic rifle ready for a range of applications the M400 SDI XSeries arrives equipped and optimized. The SIG Sauer M400 SDI XSeries reflects SIG s approach to building precision-focused competition rifles that bring match-grade components and tactical adaptability into a single cohesive platform. Its combination of a fluted competition barrel SIG Flatblade Match Trigger and folding MAGPUL SL stock makes it a standout choice for shooters who demand consistent performance across tactical and competitive disciplines. For shooters who need a dependable precision-ready rifle backed by SIG Sauer s legacy of quality the M400 SDI XSeries delivers the performance SIG Sauer is known for and it is available for sale at GrabAGun. SIG Sauer M400 SDI XSeries Specifications Manufacturer: SIG Sauer Model: M400 SDI XSeries Type: Semi-automatic Rifle Action: Semi-Auto Caliber: .223 Rem / 5.56 NATO Barrel Length: 16 Barrel Feature: Fluted Competition Twist Rate: 1:7 Muzzle: Hybrid Compensator/Flash Hider with 1/2x28 Threading Stock: Collapsible/Folding MAGPUL SL Trigger: SIG Flatblade Match Sights: None Optic Ready Overall Length: 33.5 to 36.8 Weight: 7 lbs Capacity: 30+1 Available At: GrabAGun