It’s Not Sawed Off, But This AR-15 Is Smaller Than Yours [Video]

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AR-15s, as you know, are incredibly popular weapons, at least partly due to their ability to be customized and modified. Whether you want to change your stock or your barrel or some other component, you have options in an AR with its modular design.

So, if you could build an AR-15 to the exact specs that you wanted to make it as customizable as possible, what would you do? Well, according to a writer going by the name of Pete, if you’re one particular gun enthusiast, you “build the worlds shortest gas operated 300BLK AR.” Pete gives us the details:

An innovative shooter/builder has just laid claim to what could be the the shortest 300BLK gas operated AR15 in existance. Measuring at a mere 3.75” inches, the barrel real estate is covered primarily by the gas block with just enough room for a threaded muzzle to attach a suppressor. After watching the below posted videos, the unique setup appears to function reliably with the shooters own reloaded ammunition.

For all those wondering, the builder ended up with a 0.100 gas port size. For comparison, depending on the barrel length and ammo tuning, standard gas port sizes can run from 0.086 inches with eight inch barrels and 0.12 inches for 16” barrels. On the other hand, typical 5.56 gas port sizes range from 0.069 to 0.089.

See the first test fire of this gun:

And, if that isn’t short enough for you, here is a video of it without the suppressor:

Without the suppressor, that’s a small enough firearm to put into a bug out bag and take with you in a hurry if you had to, and, being an AR, it’s going to have enough stopping power to keep you and your family safe if, God forbid, you should have to do so.

All-in-all, it’s a nice modification of a good, stable weapon, and the modification makes this weapon easier to keep on your person or in your vehicle for personal safety.

6 COMMENTS

  1. Where in the world do you buy a 4 inch barrel?
    He modified it, not a big deal, in and of itself, but it is just a short barreled rifle.
    Might be legal in his state, I wouldn’t know, but I believe ATF might have something to say.
    Anyway, interesting if the SHTF situation arises.

  2. I expect the ATF might inquire as to,whether the owner had the appropriate paper work. That being present, no more to be said. State law might well be another matter. As to buying a 4″barrel, likely action was buying a “standard” barrel and modifying it.

  3. If the SHTF who would care about length?
    Public should have more access as attempt is being made to STRIP your rights.

  4. NOTHING SHOULD BE ILLEGAL IN A FREE STATE!! ANTI-GUN IN A FREE STATE IS TREASONOUS LEFTIST SOCIALIST COMMUNIST CORRUPTION DESIGNED TO DISARM THE CITIZEN GOVERNMENT OF THIS NATION AND TAKE AWAY THE CITIZEN GOVERNMENT’S LAST LINE OF DEFENSE AGAINST ENEMIES FORGEIGN AND (DOMESTIC!!)🤔😉😊😋😎🤗😇🤔 THINK CITIZEN’S IT’S YOUR LIFE ON THE LINE!!? (DAH)

  5. Seems sort of silly to me. First of all why not start with a bullpup design if you’re looking to create the shortest or most compact rifle or carbine on the planet. What kind of sacrifice in accuracy and distance does the user have to accept. Is there adequate length for stability of the round, is the report extremely loud, is it effective out to 150 maybe 300 yards or is it a glorified pistol?

    I do wish that the BATF would simplify all these classifications of when a pistol is no longer a pistol or a rifle no longer a legal rifle. It seems somewhat illogical to be concerned over modifications that actually decrease a weapons capabilities and create punishing recoil and noise.

    On the flip side if somebody wants to lengthen a pistol and add a shoulder stock to create a mini-carbine why is that such a concern? It may increase the velocity, but you’re not going to turn for example, a 9mm or .45 into some super gun. Then again, it’s reasonable to understand their concern for handy, dandy little firearms that can worn under a coat or hidden easily.

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