Home AR-15 Stateside RPK | 20″ Select Fire AR15 Build

Stateside RPK | 20″ Select Fire AR15 Build

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I built an “RPK” of the homeland…

Full Blog/Writeup on this build:

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TA Targets Video Covering the “Why” Behind this build:

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Table of Contents:
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0:00 – Intro to RPK Topic
0:14 – KSC Graphic
0:31 – Support Me
1:30 – Specifications Section Start
1:46 – Barrel (Faxon 20″ Fluted)
3:46 – Other Parts / Components
4:49 – IR/Visible Weapon Lights
6:10 – Aiming Systems
7:29 – Receiver/Rail/Grip
8:10 – Geissele SSF Trigger
8:55 – Gas Block / Gas System
9:40 – Sling/Attachment
10:07 – Suppressed Use / Bleed Off Gas Block
11:09 – Why Did I Build This Rifle?
13:50 – Pro’s of This Build
14:18 – Con’s of This Build
15:29 – Closing/Support Me!
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#RPK #SelectFire #FullAuto

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39 COMMENTS

  1. Good stuff I built something similar with a 20 inch gun did mine with a fixed stock, extra heavy buffer and spring, side charging and a 19 inch mlok free float rail. I was goin for a "modern ish stateside FAL" if you will at the time but in 5.56. Real basic, small weapon light, sling and a red dot, try to keep it kinda light but have good lethality. I've really fell in love with the system and have hunted with it the past 2 years, it's been excellent to say the least. I've takin 3 deer, 2 beavers and a coyote with the rifle, all one shot stops.

  2. Disagree with 2 points of the build: 1. I would replace the handguard with something beefier, or larger in diameter to control heat better, and 2. I think a 3-18 is a bit much for a 5.56 autorifle. DMR role, go for it. But autorifle I think an LPVO or a fixed mag prism are the way.

  3. Awesome job. 100% on point everyone saying “civil” should be saying “revolutionary”. There really isn’t right wing or left wing anymore (if there ever was). People should understand that the party lines are horizontal now you have those on top and those on the bottom.

  4. I am a bit confused as to him talking about making this gun select fire… isn’t he admitting to a crime or would he have to state the power’s serial numbers etc.? Can someone enlighten me? Not something you want to make an oopsie on.

  5. I disagree with the future scope choice. 1×6 or 1×8 is the way. Pull the suppressor off and you can easily clear rooms or trench with a team if need be. The 3×18 is too big and makes the gun a dedicated “long range” gun, instead of a true Squad Automatic Rifle. This rifle needs to be able to hang with a 16in general purpose rifle in 0-300m. Obviously a 3×18 will do great at the farther end of that spectrum but will be useless at under 100m. Instead keep the rail space for a night vision or thermal enabler. With the rate of fire, accuracy, flash/sound suppression and ability to PASSIVELY fight at night you will be on a bother level of dangerous.

    P.S. 45rd mags are the way for this build.

  6. You MUST MUST MUST watch this video my Dr. Larson (see below) on the origin of the Squad Automatic Rifle. It covers the philosophy of all the armies that used the RPK, BAR and other western version of the Automatic Rifle. Fantastic primer that will fundamentally make you realize that the American AR-RPK is a MUST for any MinuteMan.



  7. I just recently saw the RPK with the 20/24” bull barrel M240/RPK bipod. I think going with a lighter barrel is better because I would think accuracy in high rates of fire comes from the bipod, not the barrel weight.

    Being a 223 Wylde barrel you could open up the chamber by doing a quick chamber brush on a drill.

    I saw a video once where he had the Geissele SSF on a 45 degree and spring loaded to 90* for auto. Never used the trigger before


  8. I'm building a similar rifle, however I've learned more towards the IAR role as my optic is a 3.4x elcan with an m249 bdc reticle. I can make close shots with precision, out to 300yds or so, then after that the reticle opens up into area targets. It's not my first pick of optic, but it was a wide fov than an acog, and the bdc is calibrated for m855 from a 20" barrel. So it's a reasonably affordable IAR optic

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