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Reviews & Ratings for Presma AR-15 .223 Barrel Vise Block Rod w/ Torque Block for .750 Barrels — 25 reviews

(25 reviews)
Presma AR-15 .223 Barrel Vise Block Rod w/ Torque Block for .750 Barrels
Presma AR-15 .223 Barrel Vise Block Rod w/ Torque Block for .750 Barrels
As Low As $39.99 Save Up to 15%
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Most Helpful Positive Review A must have for building or maintaining ARs
I bought two of these: 1 for the AR15 and 1 for the AR10/LR-308 platform. Both of these are very solid and work well with my vise in holding my AR uppers in place while I do maintenance on them. These rods are definitely nice to have especially when you have to torque or remove your barrel nut when...
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Most Helpful Negative Review Bike 2nd time used
Not a solid rod. Tried to take a barrel nut off an AR. there is a mechanism inside the rod that raises a piece of metal meant as added security to keep the upper from spinning while working on it. Behind the star part that fits inside the barrel there is a pin. That pin is it's weak spot.
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Design - ok, materials - ok, Quality Control? Nope.

by PstCntrl, Verified Owner from UT, United States Written on September 15, 2025
Other reviewers mentioned it. This reaction rod is "clocked" - with the raised "fin" it does not fit into the star chamber. My first thought was that my barrel was clocked, but I've tried it in 4 different uppers, and it's the same everywhere. I got a replacement, and it was identical. Without raising the index fin it "works", but then it has limited use, not what I needed. If you are removing/adding a muzzle device or replacing barrels, you need the "fin" to stabilize, and prevent putting stress on the upper.

Meanwhile I have the 308 version of this, and it fits just fine.
Would recommend: No
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Works great

by Jay, Verified Owner from FL, United States Written on June 3, 2025
If you are building Ar's you need this tool for putting on barrels and using torque wrench properly without stressing your upper. Great price for a great tool.
Would recommend: Yes
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great budget item

by PeterPan, Verified Owner from OH, United States Written on April 22, 2025
Not every tool in the shed needs to be the most prium product and this is a fine subsitute to the oitragois prices that others ask.

Look, we all need these tools, but not everything wants to spend a barrels budget for one.

I threw this on a M4 build with a GI nut thqt ended up around the 55ft lbs mark to line the gas tube up with the upper receiver. This budget lug worked great.

I tested its clearance issue claiks on mtiple uppers. It lines up and fits everything. Im not sure what all the fuss is. With 55ft lbs.

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Pros:
  • Price
  • Finish and Aesthetics
Cons:
  • None
Best Used for:
  • All 556 projects
Would recommend: Yes
Was it helpful to you? Yes | No
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dose not fit

by Drew, Verified Owner from OH, United States Written on February 10, 2025
Will not fit into the barrel. Machined wrong and is nothing more than a paper weight. POS do NOT buy.
Would recommend: No
1 of 1 found the following review helpful.
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Quality looks on point

by JAMES, Verified Owner from CO, United States Written on February 6, 2025
Much better price than alternatives. Feels stout. Looks great!
Would recommend: Yes
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Solid and works!

by bill, Verified Owner from AZ, United States Written on February 4, 2025
Spline fit was off a bit fitting into barrel lugs but a tap in cleaned up the problem(removed a bit of plating on a couple lugs). Fits tight and alinement is spot on. did not cost much and worked very well. With saving of $90.00, more gun parts.
Pros:
  • cost
Cons:
  • over plated
Would recommend: Yes
Was it helpful to you? Yes | No
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presma vise

by jaeson, Verified Owner from FL, United States Written on January 16, 2025
cheap and worked perfectly. was able to remove and replace a muzzle device. I know it's not like the more expensive one's but for someone that only builds once in a while, this is perfect.
Would recommend: Yes
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review of reaction rod

by cliff, Verified Owner from AZ, United States Written on January 7, 2025
helpful item. looks good and fits the upper. it works. thank you
Would recommend: Yes
0 of 1 found the following review helpful.
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Took the risk, and regret it

by Apollo, Verified Owner from KS, United States Written on December 20, 2024
Theres a reason this is cheap. The lugs are too big for all the 556/223 barrels i own. Dont fall for it.
Would recommend: No
3 of 3 found the following review helpful.
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Great tool at a great price

by Paul, Verified Owner from GA, United States Written on December 3, 2024
I ordered the AR15 and the AR10 tool and it doesn’t get easier than using this tool. I’ve installed Keymo muzzle devices on all of my rifles using the Presma vise tools.
Pros:
  • GREAT PRICE
Cons:
  • None
Best Used for:
  • Installing barrel nut and muzzle de
Would recommend: Yes
Was it helpful to you? Yes | No
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