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Learn how the MDX Arms Mystery Box works. Limited-release tactical gear drop featuring $300+ guaranteed value in brand-new performance components.

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    • HANDGUN PARTS
    • RIFLE PARTS
    • OPTICS
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      • .223/5.56 Pistol
    • CA COMPLIANT PARTS
      • Featureless AR Parts
      • Magazine Lock Type
    • UPPER PARTS
      • BCG & BCG Parts
      • Charging Handles
      • Upper Receivers
      • Forearms
      • Forearm Accessories
      • Gas Blocks & Gas Tubes
      • Muzzle Devices
      • Replacement Upper Parts
      • Vertical & Angled Grips
    • LOWER PARTS
      • REPLACEMENT LOWER PARTS
      • LOWER PARTS KIT / TRIGGERS
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      • STOCK / ARM BRACES
      • BUFFER TUBES / PARTS
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    • STOPBOX USa
    Smoke Composite Carbon Fiber parts and accessories
    HOLOSUN Brand of Red Dots
    • STRIPPED SLIDES
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      COMPLETE SLIDES
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      OPTIC SLIDE COMBO

    Featured Products

    • Holosun AEMS110101 CORE Red 2 Holosun AEMS110101 CORE Red 2
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      Holosun AEMS110101 CORE - RED Dot/Battery Powered (No Solar)

      MSRP: $370.58
      Now: $269.99
      Add to Cart
    • STOPBOX U-CAN STOPBOX U-CAN
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      STOPBOX UCAN

      MSRP: $159.00
      Now: $109.00
      Add to Cart
    • SALE
      CLOSE OUT* MDX Arms G19 V1 JJB/TIF Complete Slide CLOSE OUT* MDX Arms G19 V1 JJB/TIF Complete Slide
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      *CLEARANCE* MDX Arms G19 V1 JJB/TIF Complete Slide

      MSRP: $300.00
      Was: $250.00
      Now: $150.00
      Choose Options
    • SALE
      Magpul Gen M2 MOE 223 Rem/556NATO 10/30 Rounds Fits AR Rifles in Black Magpul Gen M2 MOE 223 Rem/556NATO 10/30 Rounds Fits AR Rifles in Black
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      Magpul Gen M2 MOE 223 Rem/556NATO 10/30 Rounds Fits AR Rifles in Black

      MSRP:
      Was: $18.95
      Now: $15.99
      Add to Cart
    • SALE
      MDX Arms SIG P320 Slide Completion Kit MDX Arms SIG P320 Slide Completion Kit
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      MDX Arms SIG P320 Slide Completion Kit

      MSRP:
      Was: $129.99
      Now: $69.99
      Add to Cart
    • SALE
      MDX Arms SIG P320 Lower Parts Kit | Upgraded FCU Components MDX Arms SIG P320 Lower Parts Kit | Upgraded FCU Components
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      MDX Arms SIG P320 Lower Parts Kit | Upgraded FCU Components

      MSRP:
      Was: $129.99
      Now: $89.99
      Add to Cart
    • SALE
      MDX Arms Sig P365 9mm Slide Completion Kit MDX Arms Sig P365 9mm Slide Completion Kit
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      MDX Arms Sig P365 9mm Slide Completion Kit

      MSRP:
      Was: $69.99
      Now: $54.99
      Add to Cart
    • SALE
      Rise Armament RA-140 Super Sport Single Stage - Flat with LFOD Engraving Rise Armament RA-140 Super Sport Single Stage - Flat with LFOD Engraving
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      Rise Armament RA-140 Super Sport Single Stage - Flat with CTI Engraving

      MSRP:
      Was: $159.99
      Now: $124.99
      Add to Cart
    • SALE
      Rise Armament RA-140 Super Sport Single Stage - Flat with LFOD Engraving Rise Armament RA-140 Super Sport Single Stage - Flat with LFOD Engraving
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      Rise Armament RA-140 Super Sport Single Stage - Flat with LFOD Engraving

      MSRP:
      Was: $159.99
      Now: $124.99
      Add to Cart
    • SALE
      Rise Armament RA-140 Super Sport Single Stage - Curve with LFOD Engraving Rise Armament RA-140 Super Sport Single Stage - Curve with LFOD Engraving
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      Rise Armament RA-140 Super Sport Single Stage - Curve with LFOD Engraving

      MSRP:
      Was: $159.99
      Now: $124.99
      Add to Cart
    • SALE
      Rise Armament RA-140 Super Sport Single Stage - Curve with JOD Engraving Rise Armament RA-140 Super Sport Single Stage - Curve with JOD Engraving
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      Rise Armament RA-140 Super Sport Single Stage - Curve with JOD Engraving

      MSRP:
      Was: $159.99
      Now: $124.99
      Add to Cart
    • SALE
      Rise Armament RA-100 Two Stage Trigger - Flat Rise Armament RA-100 Two Stage Trigger - Flat
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      Rise Armament RA-100 Two Stage Trigger - Flat

      MSRP:
      Was: $109.99
      Now: $99.99
      Add to Cart

    Current Top Sellers

    • SALE
      MDX Arms G19 V1 Complete Slides MDX Arms G19 V1 Complete Slides
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      MDX Arms G19 V1 Complete Slides

      MSRP: $300.00
      Was: $250.00
      Now: $195.00
      Choose Options
    • SALE
      MDX Arms G19 Threaded Barrel - Black Nitride MDX Arms G19 Threaded Barrel - Black Nitride
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      MDX Arms G19 Threaded Barrel - Black Nitride

      MSRP:
      Was: $69.99
      Now: $59.99
      Add to Cart
    • SALE
      MDX Arms G26 V1 Complete Slides MDX Arms G26 V1 Complete Slides
      Quick view Details

      MDX Arms G26 V1 Complete Slide

      MSRP: $300.00
      Was: $250.00
      Now: $195.00
      Choose Options
    • SALE
      MDX Arms G19 V2 Chamfered with RMR Cut Complete Slide MDX Arms G19 V2 Chamfered with RMR Cut Complete Slide
      Quick view Details

      MDX Arms G19 V2 Chamfered with RMR Cut Complete Slide

      MSRP: $350.00
      Was: $280.00
      Now: $205.00
      Choose Options
    • SALE
      MDX Arms G19 Combat with RMR Cut Complete Slide MDX Arms G19 Combat with RMR Cut Complete Slide
      Quick view Details

      MDX Arms G19 Combat with RMR Cut Complete Slide

      MSRP: $350.00
      Was: $330.00
      Now: $230.00
      Choose Options
    • SALE
      MDX Arms G19 LF with RMR Cut Complete Slide MDX Arms G19 LF with RMR Cut Complete Slide
      Quick view Details

      MDX Arms G19 LF with RMR Cut Complete Slide

      MSRP: $400.00
      Was: $350.00
      Now: $220.00
      Choose Options
    • SALE
      MDX Arms G17 Threaded Barrel - Black Nitride MDX Arms G17 Threaded Barrel - Black Nitride
      Quick view Details

      MDX Arms G17 Threaded Barrel - Black Nitride

      MSRP:
      Was: $84.99
      Now: $59.99
      Add to Cart
    • SALE
      MDX Arms G17 V1 Complete Slide for Glock 17 Gen 1-3 MDX Arms G17 V1 Complete Slide for Glock 17 Gen 1-3
      Quick view Details

      MDX Arms G17 V1 Complete Slide

      MSRP: $300.00
      Was: $250.00
      Now: $195.00
      Choose Options
    • SALE
      MDX Arms G26 V1 Complete Slides | Glock 26 Gen 1–3 Compatible MDX Arms G26 V1 Complete Slides | Glock 26 Gen 1–3 Compatible
      Quick view Details

      MDX Arms G26 V2 Chamfered with RMR Cut Complete Slide

      MSRP: $350.00
      Was: $280.00
      Now: $205.00
      Choose Options
    • SALE
      MDX Arms G17 V2 Chamfered with RMR Cut Complete Slide MDX Arms G17 V2 Chamfered with RMR Cut Complete Slide
      Quick view Details

      MDX Arms G17 V2 Chamfered with RMR Cut Complete Slide

      MSRP: $350.00
      Was: $280.00
      Now: $205.00
      Choose Options
    • SALE
      MDX Arms Lower Parts Kit for G43 MDX Arms Lower Parts Kit for G43
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      MDX Arms Lower Parts Kit for G43

      MSRP:
      Was: $85.00
      Now: $54.99
      Add to Cart
    • SALE
      MDX Arms G19 LF RMR Cut Complete Slide for Glock 19 Gen 1-3 MDX Arms G19 LF RMR Cut Complete Slide for Glock 19 Gen 1-3
      Quick view Details

      MDX Arms G26 LF with RMR Cut Complete Slide

      MSRP: $400.00
      Was: $350.00
      Now: $220.00
      Choose Options

    New Products

    • Holosun 510C Elite Solar Open Reflex Multiple Reticle - Green Holosun 510C Elite Solar Open Reflex Multiple Reticle - Green
      Quick view Details

      Holosun 510C Elite Solar Open Reflex Multiple Reticle - Green

      MSRP:
      Now: $399.99
      Add to Cart
    • Holosun AEMS110101 CORE Red 2 Holosun AEMS110101 CORE Red 2
      Quick view Details

      Holosun AEMS110101 CORE - RED Dot/Battery Powered (No Solar)

      MSRP: $370.58
      Now: $269.99
      Add to Cart
    • Holosun 507K X2 Open Reflex Solar MRS Multiple Reticle - Green Reticle Holosun 507K X2 Open Reflex Solar MRS Multiple Reticle - Green Reticle
      Quick view Details

      Holosun 507K X2 Open Reflex Solar MRS Multiple Reticle - Green Reticle

      MSRP: $376.46
      Now: $319.99
      Add to Cart
    • Holosun EPS Carry Enclose Pistol Sight MRS Multiple Reticle - Green Reticles Holosun EPS Carry Enclose Pistol Sight MRS Multiple Reticle - Green Reticles
      Quick view Details

      Holosun EPS Carry Enclose Pistol Sight MRS Multiple Reticle - Green Reticles

      MSRP: $505.87
      Now: $429.99
      Add to Cart
    • Holosun EPS Carry Enclose Pistol Sight 2MOA - Red Dot Holosun EPS Carry Enclose Pistol Sight 2MOA - Red Dot
      Quick view Details

      Holosun EPS Carry Enclose Pistol Sight 2MOA - Red Dot

      MSRP: $388.22
      Now: $329.99
      Add to Cart
    • Holosun EPS Carry Enclose Pistol Sight MRS Multiple Reticle - Red Reticles Holosun EPS Carry Enclose Pistol Sight MRS Multiple Reticle - Red Reticles
      Quick view Details

      Holosun EPS Carry Enclose Pistol Sight MRS Multiple Reticle - Red Reticles

      MSRP: $470.58
      Now: $399.99
      Add to Cart
    • SALE
      G43 Flush and Crown Non Threaded Barrel - TiN (Gold) G43 Flush and Crown Non Threaded Barrel - TiN (Gold)
      Quick view Details

      G43 Barrel Flush and Crown - Black Nitride

      MSRP:
      Was: $84.99
      Now: $59.99
      Add to Cart
    • SALE
      MDX Arms G17 Flush and Crown - Copper Right Side MDX Arms G17 Flush and Crown - Copper Right Side
      Quick view Details

      MDX Arms G17 Flush and Crown - Copper

      MSRP:
      Was: $84.99
      Now: $59.99
      Add to Cart
    • STOPBOX U-CAN STOPBOX U-CAN
      Quick view Details

      STOPBOX UCAN

      MSRP: $159.00
      Now: $109.00
      Add to Cart
    • Glock OEM Locking Block Gen3 3 Pin 26/27/33 Glock OEM Locking Block Gen3 3 Pin 26/27/33
      Quick view Details

      Glock OEM Locking Block Gen3 3 Pin 26/27/33

      MSRP:
      Now: $32.00
      Out of stock
    • Glock OEM Locking Block 3 Pin G19/G23/G32/G38 Glock OEM Locking Block 3 Pin G19/G23/G32/G38
      Quick view Details

      Glock OEM Locking Block 3 Pin G19/G23/G32/G38

      MSRP:
      Now: $32.00
      Add to Cart
    • Glock OEM Locking Block 3 Pin G17 Glock OEM Locking Block 3 Pin G17
      Quick view Details

      Glock OEM Locking Block 3 Pin G17

      MSRP:
      Now: $32.00
      Add to Cart
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