AR-40 .40 S&W

Please note: For best performance, please pair the build with our Moriarti Arms lowers. We cannot guarantee performance with other manufacturers such as Palmetto and CMMG.

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  • AR 40 S&W 16" Slick Side Rifle Kit / NON-LRBHO / Mlok / Magpul SL
    AR 40S&W 16" MA-40 Slick Side Rifle Kit  IS BUILD ON A SLICK SIDE BILLET UPPER RECEIVER, WITHOUT LRBHO.  KIT COMES WITH EVERYTHING YOU NEED TO COMPLETE YOUR BUILD EXCEPT THE LOWER RECEIVER, CAN BE PURCHASED SEPARATELY. This kit is compatible with AR-9 Glock Style lower r..
    AR 40S&W 16" MA-40 Slick Side Rifle Kit  IS BUILD ON&...
    $599.95$899.95
  • AR-40 40 S&W 10.5" Pistol Build Kit / 10" M-LOK / DIVERTER / SBA3 / SLICK
    AR-40 40 S&W 10.5" Pistol Build Kit / 10" M-LOK / DIVERTER / SBA3 / SLICK contains all the components to complete your AR-40 S&W project. This kit is based on Mil Spec slick side upper and designed to work Glock style lowers. The kit comes with everything you need EXCEPT 80% lower ..
    AR-40 40 S&W 10.5" Pistol Build Kit / 10" M-LOK / DIVERTER / SB...
    $669.95$899.95
  • AR-40 40 S&W 4.5" MICRO PISTOL BUILD KIT / MLOK/ CLASSIC
    AR-40 40 S&W 4.5" MICRO PISTOL BUILD KIT / MLOK/ CLASSIC contains all components to complete your AR-40 build. The kit comes WITHOUT 80% stripped lower receiver.  All components are Mil Spec and made in the USA.  Barrel: 4.5" 4150 CMV M4 Profile Chamber: 40 S&W..
    AR-40 40 S&W 4.5" MICRO PISTOL BUILD KIT / MLOK/ CLASSIC c...
    $499.95$699.95
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  • AR-40 40 S&W 8" Micro Pistol Build Kit / Slim Octagonal Cone / ADJ Shockwave
    AR-40 40 S&W 8" Micro Pistol Build Kit / Slim Octagonal Cone / ADJ Shockwave contains all the components to complete your AR-40 S&W project. This kit is based on Mil Spec slick side upper and designed to work Glock style lowers. The kit comes with everything you need EXCEPT 80% low..
    AR-40 40 S&W 8" Micro Pistol Build Kit / Slim Octagonal Cone / ...
    $549.95$899.95