SIRT pistol optic milling from CHPWS. ***EXCLUDES POLYMER SIRT SLIDES and SIRT PP SLIDES***. We cannot mill the newer polymer SIRT slides or the SIRT Pocket Pistol for any optic. Shipping Instructions: Safely remove the slide from your pistol. Wrap it up, box it up and send it to us using your favorite shipping method (Fedex Ground / UPS / USPS). Please include a copy of your paid invoice or a note with your name, phone number, email address, and order number. We STRONGLY recommend sending your slide in a box and not an envelope. Most envelopes we receive get ripped open during transit and we have received a few empty envelopes. If you want to make sure your slide gets to us safely BOX IT UP. Send your package to: CHPWS - "ATTN: Slide Milling" 55 Mustang Ct. Richmond Hill GA 31324 Questions? - Call us 912-445-5803 Click here to view our other Slide Milling Services.