SHIELD BASE PLATE S15 +5 BLK

Description

The Shield Arms S15 +5 Magazine Extension is built for shooters who run the S15 magazine and want to stretch their capacity without swapping to a different platform. Adding five rounds to your existing S15, it closes the gap between standard-capacity carry loads and what you actually want available in a sustained-fire situation—without requiring a new magazine entirely.

Where most magazine extensions demand that you disassemble the entire stack to service the spring or follower, Shield Arms engineered a floor plate that opens independently of the extension body itself. That means you can clean the magazine or swap a worn spring without pulling the extension off the tube—a practical advantage if you run this setup as a regular carry or competition magazine. The extension body is also cut with index grooves along the exterior, giving your fingers purchase when stripping the magazine from a tight-fitting pouch under stress.

The body is machined from billet 6061 aluminum and finished with a Type 2 anodize, which keeps weight down while providing a hard, consistent surface. A 12-coil power spring ships with each unit to ensure reliable feeding at the extended length. The extension fits the Shield Arms S15 magazine only and is compatible with most aftermarket flared magwells. Shield Arms backs it with a lifetime warranty and their Spring for Life guarantee. Made in the USA.