Reptilia Black Hole Polymer Magwell for Glock 19 Gen3/Gen4

The Reptilia Black Hole Polymer Magwell for Glock 19 Gen3/Gen4 (brand part no. 100-005) is molded from reinforced polymer with an enlarged magazine well opening that helps facilitate faster, more efficient reloads without adding unnecessary bulk to a carry or duty sidearm. It’s compatible with both 9mm and .40-caliber Glock pistols, and a unique rear spacer built into the design ensures seamless fit and compatibility across both Gen 3 and Gen 4 frames. One important fitment note: the Black Hole magwell is not compatible with 10-round factory Glock magazines, but it does work with Magpul 10-round magazines. It’s a straightforward upgrade for a competition, duty, or carry Glock 19 where reload speed matters.

Key Specifications

• Features an enlarged magazine well opening for faster, more efficient reloads.
• Molded from reinforced polymer for durability without added bulk.
• Compatible with 9mm and .40-caliber Glock pistols.
• Fits both Gen 3 and Gen 4 frames via a unique rear spacer.
• Not compatible with 10-round factory Glock magazines.
• Compatible with Magpul 10-round magazines.
• Adds minimal bulk, keeping the pistol suited to carry or duty use.
• Reduces reload time by guiding the magazine into the well more reliably under stress.
• Built by Reptilia, known for precision-machined firearm accessories.

Frequently Asked Questions

What Glock generations does this magwell fit? Both Gen 3 and Gen 4 Glock 19 frames, via a unique rear spacer.

Does it work with factory 10-round magazines? No, but it is compatible with Magpul 10-round magazines.

What calibers is it compatible with? 9mm and .40-caliber Glock pistols.

Buy the Reptilia Black Hole Polymer Magwell for Glock 19 Gen3/Gen4

Speed up your reloads with a magwell from Reptilia, part of our small Glock parts lineup. Order it from our Lubbock, Texas gun shop for fast, insured shipping.