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Pantheon Arms Prometheus Take-Down Kit w/Handguard For AR-15
$200.00 $190.00 Save $10.00
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Most Helpful Positive Review Take down kit.
I have always wanted a shorter takedown system. This is the one. It is well made, and It is a very good design. The system tightens the barrel to the receiver quite well and the barrel does not have any play. I went out, shot it, and my bullet placement was right on the bulls eye at 100 yards. So it stays tight during shooting. I should have taken it down and reassembled it to see if the point of landing changed. (next time.) The only negative is that It came with a carbine length hand guard and I need a midlength. Also the gas tube sticks out when in takedown mode and the user needs...
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Just installed tonight

by K, Verified Owner from TX, United States Written on May 18, 2026
If you have ever built an AR or have merely changed out a barrel on one, this thing is a breeze to install. In my case I made it more difficult intentionally, however, because I wished to retain the existing A-2 FSB w/gas port. All you have to do for this to work is to remove the stubborn taper pins first to get the FSB/gas block off in order to put the barrel nut on, and wait to install your gas tube and reinstall your FSB and gas tube AFTER you have already screwed the forend on the barrel nut. (The enclosed instructions will tell you this and it's no major issue). Fits perfectly though with the 10.5" BBL. (This is an SBR that I registered a few years back). This is the one you need to get from Pantheon Arms if you intend to go this route. It looks great and I need to get it out to the range to see how much the zero might have changed on this rifle. I recommend this as an inexpensive option if you want to have your own "take down" AR. I am kind of late to this concept and didn't realize that these QD systems have been out for some years now. But if I wind up liking it, I may just get a few more of these kits at some point.
Would recommend: Yes
Was it helpful to you? Yes | No

Quick Storage

by DB, Verified Owner from TX, United States Written on February 18, 2025
Works good easy to install needs some cosmetic improvements.When removed from the rifle the barrel is loose and hits against the hand guard.
Pros:
  • Easy to install
Cons:
  • needs some improvements
Best Used for:
  • Short barrel rifle
  • short brrel 556
Would recommend: Yes
Was it helpful to you? Yes | No

Needs lots of Barrel Shims

by Joe B, Verified Owner from MA, United States Written on December 23, 2024
This is a very nice system but you will need 2 barrel shim kits with this product in order to get the barrel to fix with out wobbling around. Once you have it shimmed properly it is a decent system but the locking pin could be made from a better material or design to prevent early wear out. Make sure you order a extra locking pin with your kit.
Pros:
  • Price
  • install easy
Cons:
  • fitment and finish
Best Used for:
  • Entry Level
Would recommend: Yes
Was it helpful to you? Yes | No

Dolos take down

by Chuck, Verified Owner from OR, United States Written on November 12, 2024
Went with a barrel take down for my AR pistol over a folding stock/brace. Good price point on the Dolos with the handguard.

Easy to install and requires no special tools. Found it useful to watch the video by Pantheon Arms on installing this. Handguard is the perfect length for an 8.5 inch barrel with a muzzle device.

It is now quick and easy to attach or remove the barrel from my AR.
Would recommend: Yes
Was it helpful to you? Yes | No

QUICK BARREL REMOVAL FOR COMPACT CARRY OR BARREL CHANGE

by Larry, Verified Owner from FL, United States Written on June 23, 2024
DON'T FORGET TO GET THE Prometheus Wrench Castle Nut tool. Makes seating the retaining nut so much easier and secure. This is the second one I got because the first one is a dream. Change from 5.56MM to 300 Black out is a snap! Just do not forget to mark your upper and mags with color tape so not to mix them up.
Pros:
  • None
Cons:
  • None
Would recommend: Yes
Was it helpful to you? Yes | No

Bugout build

by Zach, Verified Owner from TN, United States Written on June 8, 2024
Very well made product. Perfect fit and finish. Would recommend to anyone.
Would recommend: Yes
Was it helpful to you? Yes | No

Great innovative product

by Michael Spafford, Verified Owner from TX, United States Written on April 30, 2024
This thing is well made easy to install. It makes for a great way to pack up, store and travel with my weapon.
Would recommend: Yes
Was it helpful to you? Yes | No

300 Blackout build

by Peter, Verified Owner from MN, United States Written on December 14, 2021
I installed this on my backpack build and loved it. it works flawlessly once you get all your settings in place. would recommend to anyone and would use it again. I would also recommend getting another set and do a .223/5.56 barrel so you can interchange and have two calibers for one pistol/rifle.
Would recommend: Yes
2 of 2 found the following review helpful.
Was it helpful to you? Yes | No

Take down Barrel Kit

by James LaMorgese, Verified Owner from TX, United States Written on May 19, 2021
The take down kit is AWESOME I am so glad that I purchased this kit. My friends are a little Jealous that they don't have it. I am sure they will be reaching out to you soon to get one for themselves
Pros:
  • easy to use
Cons:
  • None
Best Used for:
  • Short barrels
Would recommend: Yes
0 of 1 found the following review helpful.
Was it helpful to you? Yes | No

Nifty item

by Bluedude, Verified Owner from IL, United States Written on March 29, 2021
I will say that the installation had to be done 4 times. Overall, good quality. The problem that I find is that the handguard rail does not line up with the upper receiver rail. I should have just gone with the non railed handguard. I emailed customer service and they did reach out to me in a reasonable time frame. I would buy this again. Make sure that you use blue loctite where they say and DO NOT let the bolt slam forward with the barrel off!
Pros:
  • Quality of materials
Cons:
  • Couldn't get the handguard rail to line up.
Would recommend: Yes
2 of 2 found the following review helpful.
Was it helpful to you? Yes | No
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Last updated 2025-11-12 UTC.