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G20SF/21SF Large Frame Complete Uppers for Glocks

SKU: 6352
Large Frame Complete Uppers for Glocks are now available in 10mm and .45ACP. 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 from .45ACP to 10mm - or vice versa! 
  3. Build your Polymer80 Lower - the Glock Gen3 factory slides 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, Large Frame Complete Uppers for Glocks that can be used to complete your Large Frame Polymer80 Lower into a full handgun. 

You can also convert your Glock chambered in .45ACP to 10mm or vice versa. 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!. 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 services 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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