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Derya Island Upper
California Proposition 65 Warning

This product can expose you to chemicals including lead, known to cause cancer and birth defects. For more info visit P65Warnings.ca.gov.

Derya

Island Upper

$349.00
Available California compliant

Derya Island Complete Upper, Slide, 3.86" Ported Barrel, Optics Ready, Fits GLOCK 19 Gen 4 and Derya DY9 Frames, Melonite Finish, Black UP-DY9ISL-AG

Key Details
Brand Derya
Manufacturer Part Number UP-DY9ISL-AG
UPC 850067243748
SKU DYRUP-DY9ISL-AG
Current Stock 11 available
Quantity Updated Apr 26, 2026 11:45 AM
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Purchase Requirements
  • Final availability is confirmed at checkout.
In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description

Elevate your shooting experience with the Island Barrel 9mm Complete Upper, a cornerstone of the DY line of products engineered for unmatched precision and control. Compatible with the Frames for DY9 and Frames for GLOCK 19 Gen 4, this complete upper blends timeless performance with modern accessibility, transforming your pistol into a precision powerhouse. Whether for home defense, range sessions, or competition, the DY Island Barrel Upper unlocks sharpshooter potential with every round.

Features
  • Complete Slide
  • Island Barrel Design
  • Compatible with DY9 and GLOCK 19 Gen 4 Frames
Specifications
UPC: 850067243748
Manufacturer: Derya
Manufacturer Part #: UP-DY9ISL-AG
Model: Island Upper
Type: Slide