Magpul® B.A.D. Lever® - Battery Assist Device – AR15/M4

(54 reviews)
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Magpul B.A.D. Lever

Want to cut a half second off of your bolt-lock reload time on an AR15/M4? Install a Magpul B.A.D. Lever. and you're half way there. Whether you love it or you're on the fence, no one will deny the Magpul Battery Assist Device (B.A.D.) will significantly decrease your bolt-lock reload times.

Want to cut your double-feed clearance times in half? Installing the Magpul B.A.D. Lever allows you to keep your hand on your firing grip while locking the bolt back to clear your malfunction. On top of that, you can now administratively unload and lock your AR15/M4 action open with ease- simply drop your magazine, then press upwards on the B.A.D. as you manipulate the charging handle to the rear with your support hand. Look and feel, then Presto Bango- you're cleared.

Billet machined and Type III hard anodized, the Magpul B.A.D. Lever is easily installed via a Nyloc treated Torx screw.


  • Fits standard mil-spec forged AR15/M16 lower receivers
  • Thin, anti-snag profile and textured surface still allows for traditional manipulation of the bolt catch while maintaining unobstructed access to the trigger
  • Easy attachment to the existing bolt catch paddle via one screw
  • Machined from durable billet 6061-T6 aluminum with mil-spec finishing
  • MIL-A-8625F, Type III, Class 2 hard anodizing with manganese phosphate on the screw per MIL-DTL-16232G
  • Torx® mounting screw with Nyloc® blue patch prevents back out under recoil
  • Torx® wrench included
Made in USA!


  • 5
    Works for Lefties too!

    Posted by Unknown on 30th Jun 2011

    This device will expedite the functions of your AR even if you are left handed: use your trigger finger to lock the bolt by pressing down on the BAD lever, and your right thumb to release the bolt after you have inserted a fresh magazine.

  • 5
    Great upgrade

    Posted by Daniel Youngblood on 18th Jun 2011

    Greatly enhances the ease of clearing a malfunction in a tactical scenario.

  • 5
    The best $30 you'll spend on your rifle

    Posted by J. Briseno on 17th Jun 2011

    After initially deciding not to mount a BAD Lever on my rifle, I eventually got tired of using the tiny "ping pong paddle" and put one of these beauties on, installing it in about 2 minutes. Now releasing the bolt is much quicker and easier for me, and in addition to the trigger finger operation method (which I prefer), the BAD itself effectively enlarges the standard bolt catch area, meaning that if I choose to, utilizing the standard method of releasing the bolt is easier as well. This is by far one of Magpul's best inventions yet, and definitely a must-have item for any AR.

  • 5
    Very innovative and effective product!

    Posted by James Goldmuntz on 15th Jun 2011

    When I first heard about this product I thought no big deal, then I tried my friend's out and changed my mind completely. This is product is so simple yet effective I feel stupid for not coming up with it. Easy to install, lightweight, and most importantly, works exactly as advertised, if not better. Reloading and clearing malfunctions are so much easier with this installed, all I need now is a charging handle with a tactical latch to complete the setup!

  • 4
    Its Good, but can be Improved...

    Posted by Richard Wyse on 14th Jun 2011

    Works great and is a incredible idea, but I think it doesn't attach securely enough for a work carbine. I think that until they improve it I would only put it on a range rifle.

  • 4

    Posted by Alan on 14th Jun 2011

    at first i thought this was a gimmick, however after using one i was sold on it. Takes a bit of training to get that muscle memory going. but after a little bit you will be putting rounds back on target faster.

  • 4
    Not for Lefties or DPMS

    Posted by Jon H. on 29th Nov 2010

    Got this for my DPMS AR-15. Apparently, my DPMS upper is not mil-spec. The bolt release sets in an indent in the upper and will not let the backing plate slide behind it. Also, I'm left-handed so it's pretty useless for me. However, good thing my GF is right-handed and has her own AR-15. Fits perfect on her S&W and it helps her greatly. Live and learn. Happy BD GF.

  • 5
    Frickin Awesome.

    Posted by Kent LV on 17th Nov 2010

    Put one on my AR. makes getting back on target much fater. Everything is done with the shooting hand. Very good kit. I did have to modify it a little to use with my redi mag.

  • 5
    A must!

    Posted by Scott on 23rd Sep 2010

    This has to be the best, most simple upgrade that I have made to my M4. This should be standard fare on all AR's. Great product!