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    • Lowers

    High-Quality Lower Parts at Discounted Prices in the MSR Arms Outlet Store

    Upgrade your AR-15 with premium lower parts from the MSR Arms Outlet Store, all available at significant discounts. Our selection includes everything from triggers and safety selectors to takedown pins and lower parts kits, crafted to enhance the performance, reliability, and customization of your firearm. Whether you're building a new rifle or refining an existing one, our outlet store offers top-tier lower parts at budget-friendly prices. Shop now to discover the best deals on lower parts and achieve the perfect fit and function for your AR without overspending.

    • SALE
      Cross Armory Quick Pins - MSR Arms Cross Armory Quick Pins - MSR Arms
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      Cross Armory

      Cross Armory Quick Pins

      Cross Armory’s QUICK PINS is designed to replace your existing rear takedown pin. QUICK PINS opens easily and locks automatically when you close your receivers. QUICK PINS allow for the most convenient separation and locking of upper and lower...

      Was: $134.99
      Now: $99.99
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    • SALE
      Elftmann 3-Gun Trigger - MSR Arms Elftmann 3-Gun Trigger - MSR Arms
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      Elftmann Tactical

      Elftmann 3-Gun Trigger

      The ELF 3-Gun Drop-In Trigger has been built for winning competitions. The only AR-15 trigger using aerospace grade sealed bearings, making for an incredibly smooth and fast trigger pull. The skeletonized hammer combined with our exclusive .043 double...

      Was: $269.00
      Now: $229.88
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    • SALE
      Magpul MOE Polymer Trigger Guard - MSR Arms Magpul MOE Polymer Trigger Guard - MSR Arms
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      Magpul

      Magpul MOE Polymer Trigger Guard

      The MOE Trigger Guard (Magpul Original Equipment) is an enhanced polymer drop in replacement for the AR15/M4 weapons platform. It features a shallow "V" shape for better use of gloves in tactical shooting or cold weather operations. The MOE Trigger Guard...

      Was: $8.99
      Now: $7.00
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    • Tyrant Designs LWP Grip - MSR Arms Tyrant Designs LWP Grip - MSR Arms
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      Tyrant Designs

      Tyrant Designs LWP Grip

      Introducing Tyrant Designs' lightest AR Grip to date, the LWP (Lightweight Pro) Grip!  A drop in replacement for the AR platform, the Lightweight Pro tips the scales at 3.4 ounces and is lighter than 95% of any other grip. Ever. Period. (Yes we mean...

      $69.88 - $98.99
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