Pistol Mag Extensions

Shield Arms +5/4 magazine extension for Glock 17/22/34/35/19X/45. Precision-machined aluminum construction adds 5 rounds (9mm) or 4 rounds (.40/.357) without compromising reliability. Easy installation, lifetime warranty. Made in USA.

Shield Arms Glock 17 +5 pre-installed magazine extension delivers 22-round 9mm capacity right out of the box. Professionally assembled with genuine Glock OEM magazine body and precision-machined aluminum extension. No installation required - ready for competition, duty, or range use. Made in USA, lifetime warranty + Spring for Life guarantee.

OEM Glock 19 15-round magazine with Shield Arms +5 magazine extension professionally pre-installed - ready to use out of the box. Increases capacity to 20 rounds total. Premium billet 6061 aluminum construction with Type-2 anodized finish in multiple colors. Features unique easy-access floor plate for maintenance without extension removal, index cuts for improved grip, and includes upgraded +10% power spring for reliable feeding. USPSA 141.25mm gauge compliant for competition use. Fits Shield Arms Carry/Premium Magwells and most aftermarket flared magwells. No installation required - unwrap, load, and shoot. Made in USA with lifetime warranty on extension.

Add 5 rounds to your Glock 19 or 4 rounds to your Glock 23 with this billet 6061 aluminum extension. Includes a +10% power spring for reliable feeding, a unique easy-access floor plate for field servicing without removing the extension, and machined index cuts for a positive grip. Compatible with most aftermarket magwells. Made in the USA. 100% Lifetime Warranty + Spring for Life guarantee.

Glock 26 OEM 10 round magazine with an installed Shield Arms anodized +5 magazine extension, for a total of 15 rounds.

Add 5 rounds to your Glock 26 or 4 rounds to your Glock 27 with this billet 6061 aluminum extension. Includes a +10% power spring for reliable feeding, a unique easy-access floor plate for field servicing, and machined index cuts for a positive grip. Compatible with most aftermarket magwells. Made in the USA. 100% Lifetime Warranty + Spring for Life guarantee.

The original Shield Arms +2 magazine extension for Glock® 43. NOTE: NOT COMPATIBLE with Shield Arms Z-Series Products - ONLY Glock® OEM Mags.

Shield Arms +2 mag extension for the S10 magazine - for Grip Chopped Glock® 43X / 48.

Shield Arms +5 mag extension for the S10 magazine - for Grip Chopped Glock® 43X / 48.

The Shield Arms S15 +10 Magazine Extension adds 10 rounds to your S15 magazine, delivering 25-round capacity for Glock 43X/48. CNC-machined from billet aluminum with lifetime warranty. NEW FOR CHRISTMAS! - ODA Green!

The Shield Arms S15 +2 Magazine Extension adds 2 rounds to your S15 magazine, increasing Glock 43X/48 capacity to 17+1. Machined from billet aluminum with lifetime warranty.

The Shield Arms S15 +5 Magazine Extension adds 5 rounds to your S15 magazine for a total of 20 rounds. Maximum capacity for competition, home defense, and range use. Lifetime warranty.

Shield Arms Springfield Echelon +5 Magazine Extension increases capacity from 17 to 22 rounds with innovative easy-access floor plate design. USPSA compliant, made in USA with lifetime warranty.

Complete 22-round Springfield Echelon magazine with Shield Arms +5 extension pre-installed. OEM magazine professionally assembled with USPSA-compliant extension. Ready to use, lifetime warranty.

Shield Arms +0 aluminum base plate for Glock double stack magazines. Premium CNC-machined replacement for OEM plastic base plates. Enhanced durability.

*COMPATIBLE WITH SHIELD GRIP CHOP MODIFIED 43X & 48 PISTOLS ONLY* The Shield Arms S10 - 10 round magazine with an installed Shield Arms anodized +2 magazine extension, for a total of 12 rounds. PLEASE READ BELOW for Specifications & Compatibility.

*COMPATIBLE WITH SHIELD GRIP CHOP MODIFIED 43X & 48 PISTOLS ONLY* The Shield Arms S10 - 10 round magazine with an installed Shield Arms anodized +5 magazine extension, for a total of 15 rounds. PLEASE READ BELOW for Specifications & Compatibility.

Shield Arms +10 mag extension for the S15 magazine.

Save time with our factory pre-installed S15 +2 Magazine Extension featuring 17+1 capacity for Glock 43X/48. Precision-machined aluminum construction with lifetime warranty and Spring for Life guarantee.

Shield Arms S15 +5 pre-installed magazine extension delivers 20-round 9mm capacity right out of the box for Glock 43X/48. Professionally assembled with S15 Gen 3 magazine and precision-machined aluminum extension. No installation required - ready for competition or range use. Made in USA, lifetime warranty + Spring for Life guarantee.

The Shield Arms M&P 2.0 +5 Magazine Extension adds 5 rounds to your Smith & Wesson M&P magazines with precision CNC-machined aluminum construction, backed by our lifetime warranty.

Shield Arms M&P 2.0 +5 pre-installed magazine extension. Factory-assembled complete magazine. Ready-to-use +5 round capacity increase. No assembly required.

Premium aluminum magazine extension engineered for CZ P10C and P07 pistols. Adds 5 rounds (9mm) or 4 rounds (.40 S&W) with drop-in installation. Made in USA with lifetime warranty.

Premium aluminum magazine extension engineered for CZ P10F and P09 full-size pistols. Adds 5 rounds (9mm) or 4 rounds (.40 S&W) with drop-in installation. Made in USA with lifetime warranty.

Complete CZ P10F magazine with Shield Arms +5 extension pre-installed and tested. 24-round total capacity ready for competition or duty use. Made in USA with lifetime warranty.

Complete CZ P10S magazine with Shield Arms +5 extension pre-installed and tested. 15-round total capacity ready for immediate use. Made in USA with lifetime warranty and Spring for Life guarantee.

Complete CZ P10C magazine with Shield Arms +5 extension pre-installed and tested. 20-round total capacity ready for immediate carry or competition. Made in USA with lifetime warranty.

Premium aluminum magazine extension for CZ P10S subcompact pistols. Adds 5 rounds for 15 total capacity—transforming your carry gun with full-size firepower. Made in USA with lifetime warranty.

Replacement Spring for CZ Magazine w/ Shield Arms +5 Extension - Premium quality product with superior construction and reliable performance.

Replacement Spring for Glock 17/22/34/35/19X/45 and S15 Magazine w/ Shield Arms +5 Extension - Premium quality product with superior construction and reliable performance.

Shield Arms replacement spring for Glock 19/23 and S15 magazines with +2 extensions. Premium quality, reliable performance. Essential maintenance part.

Replacement Spring for Glock OEM 26/27 Magazine w/ Shield Arms +4/5 Extension - Premium quality product with superior construction and reliable performance.

Replacement Spring for Z9 Magazine w/ Shield Arms +1 Extension - Premium quality product with superior construction and reliable performance.

Magazine extension replacement hardware - locking pin, floor plate screw, wrenches.