Magazines

MBX Extreme

141.25mm 2011 Magazine, 9mm 24-Round

Riley's match mags: 24 rounds of 9mm in a stainless tube with the blue basepad, no slide lock.

$129

Grams Engineering

STI/SV/SPS 140mm Magazine 11-Coil Spring & Follower Kit

The spring and follower that go inside a 140mm 2011 tube: Grams' S2 follower and an 11-coil spring, no slide lock.

$18.90

Magpul

PMAG 30 AR/M4 GEN M3, Black

The rifle mag. Thirty rounds of 5.56 in Magpul's polymer, the one every AR on the line runs.

$15.95

MBX Extreme

AR-15 Modular Extension Basepad for Gen 3 PMAG

The basepad for the PMAG above: four more rounds in a 30, and the dovetail that lets two mags lock together with no tools.

$39