Improving the Sub2000

By olegv published on in Firearms

The Kel-Tec Sub2000 carbine is a very unusual weapon. Conceived during the ban years, it folds in half in the middle of the receiver and can be safely carried loaded. This design wasn’t prohibited by law simply because our evil law-makers didn’t think of banning something this innovative. In other features, it’s a conventional blow-back carbine available in 9mm and . 40 S&W and with grips compatible with several types of pistol magazines. The gun is light, handy and extremely popular. This popularity allows Kel-Tec and aftermarket manufacturers to offer optional parts to make Sub2000 run even better.

Customized Sub2000

Customized Sub2000 with soon to be released Viridian X5L RS light/laser.

The first three parts: a recoil buffer, a stock tube cover to insulate the shooter’s cheek from the metal, and a charging handle cover to reduce the pressure on the fingers when chambering a round. These add little weight and cost almost nothing, while greatly increasing the use comfort.

The other parts come from Red Lion Precision. This small group of firearm enthusiasts make high quality accessories that transform Sub2000 from a neat utility carbine into a robust fighting tool. The metal front sight replacing the original plastic part has U-shaped protective ears instead of the ring hood, much improving the sight picture. The vertical post sight is adjustable for elevation with the standard M16 tool. The compensator protects the muzzle crown while reducing already slight muzzle climb to nothing. Sharp teeth on the front of the compensator give more substance to muzzle strikes in CQB. The small rail under the front sights is for mounting lights in a position where their output isn’t partially occluded by the barrel. Most importantly, the ventilated railed forend is rock-solid and can be rotated in 90-degree increments without losing the zero on attached sights. That allows folding of the gun with optics and other top rail accessories still attached. Two Magpul parts go on that rail, the RSA sling eyelet to hold the sling and the AFG for comfortable support and recoil control.

The optic shown is a Primary Arms micro red dot on an American Defense QD mount. It sits just a little higher than the irons sight picture, providing an unobstructed view of the target. A 2x or 3x compact scope would also work, but probably isn’t necessary for a carbine with the effective range of 150 yards. That doesn’t sound like much, except that effective range of pistols using the same magazines is closer to 25, and the longer sight radius also gives reduced report and muzzle flash, less recoil and 200fps higher muzzle velocity with standard pressure 9mm or 40S&W. The decrease in muzzle blast may be a significant factor if you expect to fire this in self-defense without hearing protection. Unlike AR-15 or an AK clone, Sub2000 can also be fired with one hand if necessary because it is so much less front-heavy.

The last, very obvious way to improve the firepower is to load up with extended magazines. Unlike pistols, carbines feel just right with a longer 33-round or similar magazine inserted. For civilian self-defense, those are particularly helpful as few of us have spare magazines in web gear under business suits.

What do you think about the Kel-Tec Sub2000? Share your thoughts with us in the comment section.

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Comments (18)

  • Commonwealth109

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    Surprised no key has mentioned the JRC 9mm – doesn’t fold but it is actually findable, where the SUB2000 is not!
    Also, due to the higher demand of he SUB, the JRC can actually be had for equal money. Shoot both and you will be sold on the JRC – especially if you will be paying the same for one vs the other! JRC takes Glock mags too, and is similar in overall layout to an AR. If you need the foldability then the SUB is for you, if you don’t then the JRC is superior – in my experience only of course.
    Awesome to have such choices!!!

    Reply

  • Roger

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    My Sub 2000 with the Glock 17 action was once of my 1st gun purchases. It is not pretty in a conventional sense but it has great inner beauty! At 50 – 100 yards it is dead on and I am not a great marksman! At 25 yards I can hit a rolling soda can 3 times out of 4…ABSOLUTELY love it! If I could only keep one weapon …the Sub 2000 would be it! LOve the pic with the n ew foregrip and front sight and laser…just put it on my shopping list!

    Reply

  • Kyle

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    I just found out about this cool little gun today. I would have bought it today if it were around $350 but they asked 599+ tax and I thought that was way too much for what it is.

    This was before I found out they sell for just $300 I guess I need to keep looking!

    Reply

  • Fdmccarty

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    I would just love to get a sub2000 does anyone know where?

    Reply

    • Gary

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      Bought 2 at the Portland Expo show. Why? because they were the only table that had them.
      I got the Glock ones for $500 each.

      Reply

  • Jim

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    I own two Sub2000’s and they are neat. Fold it up in a backback and no one knows you have it on you. Works very good, use heavier bullets like 124g or 146g. When I pick it up and carry it for a few minutes then pick up one of my M4s the M4 feels like it weights a ton compared to the S2K. Also love the ability to carry the S2K and a Glock 17 and have the same mags work in either. For my 2 S2Ks I have a Glock 17 and a Glock 19, can’t get a better combo for a bug out bag!

    Reply

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