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    2C / TwoSee

    4.7 (13 reviews)
    Open • 5:30 pm - 9:30 PM

    Services - 2C / TwoSee

    Machine shops

    Gunsmith

    2C / TwoSee Photos

    Recommended Reviews - 2C / TwoSee

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    Reviews With Photos

    RMRHD Optic cut. Came out perfect.

    Tu is literally the best in town. All the serious shooters I know recommended him over and over again. I'll be back for more optic cuts.

    Appointment scheduling.

    Had a scheduled appointment twice only to show up to a closed up shop on both occasions. No notification or anything, just straight up ghosting. Highly unprofessional and waste of my time. Edited to reply to owner: Was scheduled for Friday, May 2nd at 10AM. See screenshot of chat below.

    GL22 gen 3 w/HS507c
    Drama G.

    Your basic optic cut. Screws torqued to spec. Went to range and fired 100 rounds through slide and cycled properly. Prefers text messaging over phone calls to schedule appointment. Recommend installing suppressor sights prior to slide cut. Any removal of the optic by your own doing afterwards voids warranty.

    507comp installed after optic cut by Tu on my M&P 2.0 compact

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    23 hours ago

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    26 days ago

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    2 months ago

    Did a great job mounting my optic and was very easy to work with. Tu defiantly knows what he's doing!

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    1 year ago

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    1 year ago

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    1 year ago

    Business owner information

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    Tu N.

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    2 years ago

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    1 year ago

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    Tu N.

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    1 year ago

    Awesome place. I dropped my slide off on a Saturday morning and had it back at 1:00 the same day. Highly, highly recommend.

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    2 years ago

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    2 years ago

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    2 years ago

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    2 years ago

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    Ask the Community - 2C / TwoSee

    Review Highlights - 2C / TwoSee

    “Recommend installing suppressor sights prior to slide cut.”

    Mentioned in 2 reviews

    Read more highlights

    SD Prototypes Manufacturing Solutions

    SD Prototypes Manufacturing Solutions

    (2 reviews)

    Sorrento Valley, Miramar

    Contacted these guys a week ago provided simple sheet metal cut .dxf files. Was told I needed to…read morewait 1-2 business days for a quote. It was Memorial Day weekend. So I figured I would be contacted Tuesday or Wednesday. No, I had to reach out to them and ask the problem/delay. They inform me it's a "no quote" that the person they contract did not want to take on the job. I asked for quotes on 10 and 20pc of my product which there are 3 products total. They could not produce ANY and one takes no bending or anything just a cut from sheet metal. They claim to be a prototype business which does one off parts. They have 3D parts they have produced in their images....but somehow can't product a simple cut from sheet metal. The fact I had to reach out multiple times only to get denied is an absolute joke in every sense. What machine shops don't have a plasma or waterjet table? Don't waste your time here it was a horrible experience. I provided picture evidence of their response.

    I needed a part with custom machining. I designed the part with FreeCAD and sent off the STEP file…read morefor estimates. SD Prototypes was the only machine shop that could do it within my 7 working day time constraint. Don took on the job, which required both CNC lathe and milling work, at what seemed to be a reasonable price. The final products were beautiful and within a thousandth of an inch of specs. I'd certainly work with them again.

    2C / TwoSee - machineshops - Updated October 2026

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