SIG Sauer MCX Rattler LT Semi-Automatic .300 Blackout Pistol, 6.75" Barrel, Ambidextrous Controls, 30+1 Capacity, No Brace - PMCX-300B-6B-LT
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Sig Sauer
Overview
The SIG Sauer MCX Rattler LT Semi-Automatic .300 Blackout Pistol, 6.75" Barrel, Ambidextrous Controls, 30+1 Capacity, No Brace - PMCX-300B-6B-LT is a complete rifle. Compare prices from multiple merchants and find the best deal.
Specifications
SIG Sauer MCX Rattler LT Semi-Automatic .300 Blackout Pistol, 6.75" Barrel, Ambidextrous Controls, 30+1 Capacity, No Brace - PMCX-300B-6B-LT
Build history on GunPartPicker
Builders have been adding the SIG Sauer MCX Rattler LT Semi-Automatic .300 Blackout Pistol, 6.75" Barrel, Ambidextrous Controls, 30+1 Capacity, No Brace - PMCX-300B-6B-LT to their builds on GunPartPicker since August 2026. All time, it ranks #77 of the 479 complete rifles builders have added.
It was out of stock everywhere we track for all of September 2026, and today none of the 2 retailers we track has it in stock right now. Listed prices start at $2,484.65 at BattleHawk Armory for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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