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Long Slide Complete Uppers for Glocks

SKU: 6279
Long Slide Complete Uppers for Glocks are now available in a variety of calibers and sizes. These are new, factory spec uppers that can be used in a variety of ways:
  1. Replace your existing damaged or worn upper - exact replacement
  2. Switch Calibers - a perfect way to take your Glock 9mm to .40 cal or even .357 - or vice versa!
  3. Build your Polymer80 Lower - the Gen3 slides for Glocks are an exact match to the Polymer80 lowers (Gen4 slides are not compatible with the Polymer80 lowers)
  4. Available for most Glock models including:
No FFL required
These are new, Long Slide Complete Uppers for Glocks that can be used to complete your Full Size Polymer80 Lower into a full handgun. 

You can also convert your Glock 9mm to 40 caliber/.357 SIG or vice versa. Convert your 40 caliber/.357 SIG to 9mm and lots more! In just seconds you can switch the upper half of your Glock with this completely built slide and barrel kit to be able to shoot different calibers. It's fast and it's easy and it makes a lot of sense with the cost of ammo these days. Plus, it gives you the versatility you've always wanted. If your existing slide is damaged or just worn out....this is the perfect replacement. 

Many of our customers are adding Red Dot Optics to this second upper and then have the option to switch between their standard sights and the Red Dot optic slide in just seconds! It's a great idea. Of course, we offer a full selection of Optic Sights and complete gunsmithing service to mill the slide to fit, install and set up the optic all at the same time. Call us or order online using the links above.

Please note: Uppers may only be returned if they are unused and in resellable condition. If the item is defective, ie, does not fuction, we will accept a return within the 30 day period only.

No FFL required...this part can be shipped directly to your home.

Not available for export outside the United States.

Order Online or Call Toll Free: 1-800-601-8273
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Very satisfied


My Gen4 G35 upper arrived 8 days from date of order. Took few days to ship which was longer than expected. I later found out these are built-up by hand so it takes a little time. My upper was shipped FedEx Ground and a signature was required upon delivery.

Overall I was pretty satisfied but as others have said with different models I probably should have just opted to get the full G35 Gen4 pistol; however, finding one without the stupid MOS/RMR plate was next to impossible.