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Sig Sauer RM40016BTRDBDX: The Sig M400 Tread and Riflescope package includes a factory mounted 3.5-10X42mm Sierra3 BDX riflescope with 8 on board Smart BDCS. The Tread features a free floating M-LOK handguard, mid-length gas system, ambidextrous controls, Sig enhanced trigger, 6-position SL-K stock and a black polymer grip. The Sierra3 BDX is mounted with Alpha rings.
Includes Factory Mounted 3.5-10X42MM SIERRA3 BDX Riflescope With 8 ON Board Smart BDCS - Free Floating M-LOK Handguard - 16" Stainless Steel Barrel - Ambi Controls - MID Length GAS System - CALIBER: 5.56 NATO - Frame MATERIAL: Aluminum - Frame FINISH: Anodized Black - Barrel MATERIAL: Stainless Steel - Barrel FINISH: Brushed - Magazine CAPACITY: 30 Rounds - SIGHTS: Includes Factory Mounted 3.5-10X42MM SIERRA3 BDX Riflescope - TRIGGER: SIG Enhanced - Overall LENGTH: 31" - Overall HEIGHT: 7.5" - Overall WIDTH: 2.5" - Barrel LENGTH: 16" - Barrel TWIST: 1:8" - Weight w/MAGAZINE: 7lb