Pachmayr 03853 Mag Sleeve - Glock 20/21 to 29/30 Adapter Black

The Pachmayr 03853 Mag Sleeve transforms full-size Glock 20/21 magazines into a perfect fit for compact Glock 29/30 pistols. This precision-molded polymer adapter eliminates the gap between magazine and grip while maintaining reliable feeding and ejection.

What Makes This Different

Unlike improvised solutions or aftermarket extensions, this sleeve maintains the original magazine's structural integrity and spring tension. The seamless integration preserves the pistol's balance point while extending capacity from 10 rounds to 13-15 rounds depending on magazine type. Factory-quality tolerances ensure consistent lockup and release every time.

Key Features

• Converts Glock 20/21 magazines for use in Glock 29/30 pistols
• Durable black polymer construction resists impact and chemicals
• Maintains original magazine spring tension and follower geometry
• Eliminates grip gap for improved handling and aesthetics
• Tool-free installation and removal in seconds
• Compatible with both 10mm and .45 ACP magazine variants
• Retains full magazine capacity without modification

Range testing demonstrates reliable function through thousands of rounds across various ammunition weights and manufacturers. The sleeve maintains consistent magazine seating whether performing rapid reloads in competition or conducting extended training sessions. Weather exposure from rain, snow, and temperature extremes shows no degradation in fit or function.

Technical Specs

• Material: High-impact polymer construction
• Color: Matte black finish
• Compatibility: Glock 20/21 magazines in Glock 29/30 frames
• Weight: Approximately 0.5 oz
• Installation: Press-fit design, no tools required
• Manufacturer: Pachmayr
• Model Number: 03853
• UPC: 034337038535

This sleeve addresses the common need for increased capacity in compact carry pistols without compromising reliability or requiring permanent modifications. Professional shooters and concealed carriers gain the tactical advantage of full-size capacity in a compact platform.