Description
Model: Sig p320
Service: CNC Mill Slide For Optic (Optic MUST Be Sent With Slide - No Exceptions)
Finish: Cerakote Or Black Nitride
Notes: We Do NOT MILL For Romeo Optics & We Will NOT Mill Slides Which Have Been Milled From Sig
Sight/Co Witness Notes: Our Sights Will ONLY Work With Trijicon RMR & Vortex Viper
Other: We mill precision pockets for your optic! While many companies will mill an over sized "one size fits all" pocket, ours is precision as per your optic. The cycling of a pistol slide is not gentle. The last thing you want is all that force to simply be on the mounting screws due to an optic pocket milled too big! Screws have been known the shear and break over time due to improperly milled slides.
26 Reviews
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6/5 Stars
So lets start with the bad since that list is very short, and that's because I have nothing bad to say.
The good? Well lets start with the fact that 16 days after I shipped my slide and optic (p320 full size w/HS507c) it was in my mailbox begging me to shoot it (the gun, not the mailbox). I open the sweet sweet box up, take out the swag they sent with it, slapped a sticker on my computer, and proceeded to put the slide and optic on the frame. Of course, I sent a bunch of pictures to friends, family, ex girlfriends, you know how it goes. Well I finally get to the range over the weekend run it through about 150 rounds (practically had to mortgage the house with the price of ammo) and I'm consistently shooting the same hole on the target. The optic is mounted like it's just an extension of the slide. No wiggle, no issues whatsoever. The cerakote job is flawless and looks great. Overall I highly recommended doing it, don't even think twice, just do it. I have no doubt that when the time comes to mount another optic I'll send the slide to Primary Machine again. -
p320 slide cut
Amazing work done on my P320 compact slide. I had a Holosun with a RMR footprint mounted and the slide milled and I can't state how great a job Primary Machine did. The cerakote job is top notch as well. Time will tell how the finish holds up, but if it's the same quality as the milling I'm sure it'll hold up. I will definitely be going back.
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P320 milling
Excellent work, thank you!
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SIG P320 mill
This is the third mill and mount optics job by Primary Machines. Their work is excellent and completed in short time. I highly recommend their work.
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Optic milling
Finished product looks great. Turn around time was a little over two weeks. Highly recommended.
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Flawless milling, fit, finish and cerakote. Primary machine also did my HK VP9. Same quality, turn around and outstanding customer service
See above
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P320 Trijicon rmr optic cut
Fantastic fit and finish. RMR and slide looks like they where made for each other. I still need to get some range time with it. The turn around time was great.
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SIG 320 Optic Milling
They did an awesome job, sight was dead on after putting slide back on the gun. Cerokote job matches my lower almost perfectly. I would use them again
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Excellent quality workmanship. Definitely would use Primary Machine again
Fine company that needs to review it's website Review Page.
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