"ALTUS +2s" AICS Style Magazine Base Pad

Altus Shooting Solutions

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  • "ALTUS +2s" AICS Style Magazine Base Pad
  • "ALTUS +2s" AICS Style Magazine Base Pad
  • "ALTUS +2s" AICS Style Magazine Base Pad
  • "ALTUS +2s" AICS Style Magazine Base Pad
  • "ALTUS +2s" AICS Style Magazine Base Pad
  • "ALTUS +2s" AICS Style Magazine Base Pad
  • "ALTUS +2s" AICS Style Magazine Base Pad
  • "ALTUS +2s" AICS Style Magazine Base Pad

Designed to fit 5 & 10 round standard short action AICS Magazines, the ALTUS +2 Base Pad is another innovative and exciting product brought to you by the crew at ALTUS Shooting Solutions. CNC machined from solid billet aluminum, this ALTUS +2 base pad allows you to increase the capacity of your standard AICS style magazines by 2 rounds merely by replacing the stock magazine floorplate. The new 6BR/Dasher version is designed to work with AICS & Accurate Mags that have the Primal Rights 6BR Conversion Kits installed.


  • Increases Magazine Capacity by 2 rounds
  • Easily installs with no specialty tools
  • Securely held in place by (6) recessed set screws
  • Base Pad Profile ensures positive grip and magazine orientation
  • Added weight aids in quick and efficient release of empty magazine for quick magazine changes
  • Precision CNC machined from solid billet aluminum
  • Utilizes existing spring and follower

**New for 2018, the 6BR/Dasher version of the ALTUS +2 is designed to work with AICS Magazines that have the Primal Rights 6BR Conversion Kits (or similar) installed. The interior of the 6BR/Dasher base pad corresponds with the conversion kit and alllows the addition of +2 rounds to the magazine while retaining the reliability and functionality of the 6BR Conversion Kit.


 * Due to the various bottom metal and chassis designs, we cannot guarantee the fitment of a 5 round AICS magazine w/ +2 base pad in your firearm. (5 round mags w/ ALTUS+2 base pad will not work with Surgeon bottom metal)


  • 5

    Posted by Dan on Jan 5th 2020

    These are awesome quality and fit/finish is top notch. ARC And MDT Mags function perfect with them

  • 5
    6 Dasher Magazine Base Pad

    Posted by A. Coil on Aug 19th 2019

    Excellent product! It works very well with our 6 Dashers. It also made the AI mag load easier than stock. I highly recommend this product!!

  • 5
    Solid and perfect fit

    Posted by Bryan Z. on Jul 17th 2018

    I have had this on my 10 round mag for over a year and have been in local PRS matches and one national PRS match. It has held up without any need for retightening, adjusting, etc. so this thing is very well designed and cut to precision spec. It’s buikt like a tank and can take a beating. I run .308 Win and 6 and 6.5 creedmoor cartridges and it fits +2 as advertised. Overall, highly recommend if you want a solid and durable +2

  • 5
    Excellent Seekins Core +2 flooplate extensions are actually +4 in my 260!

    Posted by David, Edgewood, NM on Apr 19th 2016

    These are a solid product all around with quick shipping from Core. I picked up two of these for my 260 Remington. I installed them on a couple of AICS mags that have some use on them. Both mags will now easily hold 13 rounds of 260 with 14 rounds fitting tightly. Sweet! More stages that can be run without a mag change! They also make for easily identifying how your mag is positioned in the hand as the front of the extensions feel different than the back. Should help speed mag changes. Well worth the $35. Very nice fit & finish.

  • 5
    i just picked up 3

    Posted by Larry on Mar 16th 2016

    i just picked up 3, the tightening allen screw mechanism works great, i can get 12 rounds into a brand new and very tight aics mag, thanks for inventing this product.

  • 5
    How did we ever do without these...?

    Posted by Max on Mar 1st 2016

    I now have six of the extended base pads. The initial reason for buying one was for the extra capacity. After using one I found the magazine much easier to handle. It offers a more firm grip and insertion is more comfortable and sure handed. This is especially true with cold hands and when wearing gloves. As with all Seekins products I own these are very well made. I couldn't be happier.

  • 5
    Core +2S Base Pad

    Posted by Dave Ferguson on Feb 9th 2016

    I just received and installed two Core +2S Base Pads on 10 round AICS mags. I am impressed with the weight and quality of the base pad. It tightens to the magazine with 6 screws, no need to worry about a base plate coming loose again. I loaded 12 rounds with ease, not with the usual resistance on the 10th round has when loading the normal 10 rounds. Look forward to shooting with them tomorrow. Very solid product and design - well done!