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Tommy Built T7 & UO Arms NT7

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tommy built tommy built t7 uo arm
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#2,225 ·
Anyone else left handed and noticed the contours on the grip are VERY SLIGHTLY different? Mine favors a right hand a bit but can’t focus my camera close enough to show. Beats up my thumb a bit unless I make a conscious effort to turn my hand a bit.
 
#2,234 ·
I can empathize with Tommybuilt Tactical because injection molds are challenging to work with. Even minor imperfections in the mold can lead to defects or flashing in the final products, especially with large items like firearm receivers. Achieving consistent, high-quality results requires precise control over parameters like temperature, pressure, and cooling time. Additionally, factors such as mold alignment, material flow, and proper maintenance can also cause issues like warping, bubbles, or incomplete fills. Suffice it to say that it isn't easy, and I’m impressed with the quality I'm seeing from the guns you guys are sharing.
 
#2,235 ·
Arkansas_am_Neckar said:
I can empathize with Tommybuilt Tactical because injection molds are challenging to work with. Even minor imperfections in the mold can lead to defects or flashing in the final products, especially with large items like firearm receivers. Achieving consistent, high-quality results requires precise control over parameters like temperature, pressure, and cooling time. Additionally, factors such as mold alignment, material flow, and proper maintenance can also cause issues like warping, bubbles, or incomplete fills. Suffice it to say that it isn't easy, and I’m impressed with the quality I'm seeing from the guns you guys are sharing.
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There is certainly a lot of criticism about the T7 out there from people who have no experience in manufacturing. Injection molding doesn’t sound as easy at we all probably think that it is.
 
#2,236 ·
Well... on the other hand... Tom isn't hand crafting the tooling himself. If people think he is widdling away at a couple blocks of steel with an exact-o to make his molds, they are wrong. Typically, you design in CAD software, do your best with tolerances data, proof some drawings, get some samples and make tweaks along the way. You don't really have a lot of control when it comes to final product quantity because generally, you get the best of the bunch when you are getting samples. Now, the upside is that repeatability is pretty consistent when you approve a sample for production because once the hard work is done, injection molding is more about scheduling than it is about physical labor.

Now, I have never worked with a fiber reinforced injection molding process before, but I suspect it adds more complexity to the process... probably increases the likelihood of inclusions, imperfections, ETC... what I haven't seen is a single, solitary shred of evidence that the process and people he is using are using any bad practices nor have a found a single picture or complaint compelling enough to warrant quality or even aesthetic related complaints. These are molded weapons... each one will be a little unique to a tolerance specified by Tommy.
 
#2,239 ·
asillasitgets said:
There is certainly a lot of criticism about the T7 out there from people who have no experience in manufacturing. Injection molding doesn’t sound as easy at we all probably think that it is.
Click to expand...
One other major thing is that Tom's doing this WITHOUT having HK's tech data to go off of. I highly doubt that we will see anyone else taking on such a feat any time soon, if ever.
 
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