Sig P365/XL
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Sig P365/XL

(21 reviews) Write a Review
Size Chart

Related Products


If holster wear/durability is a concern then we highly recommend going with our Black Nitride as Cerakote is a wearable item. 

Cannot perform optic cuts on the P365-XL. 

Cerakote and Black Nitride are for the entire slide. (Black Nitride adds 2-3 weeks lead time) 

For Cerakote color codes and examples:

It is implied that the customer will have arrangements for coating of a slide if NONE is selected for color. If NONE is chosen there is potentially an issue for rust and corrosion to develop on the slide. Jagerwerks is not responsible for misuse and neglect of bare metal.

Shield RMS/c - #6-32 x 3/8" IP15

Holosun K Series - #6-32 x 7/16" IP15

Sig Romeo Zero - #6-32 x 7/16" IP15


21 Reviews

  • P365 slide milling

    Posted by Godzilla on Mar 14th 2022

    Very nice work! Serrations are crisp and perfectly done. Re-Nitroning in black is smooth & uniform; and better than factory coating. Had it back quite a bit faster than I had expected.

  • P365 Frame Milling

    Posted by Andrew Kari on Feb 7th 2022

    I received my frame back from milling and mounted my red dot immediately. The fit and finish were top notch. The optic was so snug in the cutout you could hold the optic in the gun without screwing it down (you still need to obviously). Great stuff! I will be using this service again in the future.


  • Solid Work

    Posted by Raymond Gallagher on Sep 13th 2021

    Great work to my slide. Took about 2 month to complete but worth the wait. The slide looks great and my red dot fit right in! The finishing cerakote work is also stellar, nice feel and great look! I've fired about 500 rnds through the gun with the new slide and rot dot and everything seems great so far. Red dot hasn't moved at all.

  • P365 Slide Milled for Optic / Romeo0

    Posted by Jeff on Aug 27th 2021

    I had my P365 slide milled for the Romeo0 optic cut. The completed work is great. Both the Romeo0 and the HoloSun 507c fit this milling. I have not had any issues. The milled area was coated to match the overall Nitron coating of the slide.

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Shipping & Returns


Please ship to our address 

JagerWerks Eng LLC 

111 D ave East 

Kalamazoo MI, 49009 

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

 Shipping Insurance and Signature Confirmation

When shipping slides for milling, SHIP SLIDES ONLY. Do NOT ship the lower of the firearm as we are not transferring the firearm. We only custom mill slides.

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, please Contact Us with your order number and details about the product you would like to return. We will respond quickly with instructions for how to return items from your order.