MEAN ArmsMagazinesValue Tier

MEAN Arms EndoMag 9mm Conversion Insert

9mm conversion insert for Gen 2 and Gen 3 Magpul PMAG bodies, offered with an ejector for straight-blowback AR9s or without one for MEAN and CMMG delayed systems.

Price: $32
Brand: MEAN Arms
Category: Magazines

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Features

•9mm conversion insert
•Fits Gen 2 and Gen 3 Magpul PMAG bodies
•Ejector version for straight-blowback systems
•Ejectorless version for MEAN and CMMG delayed systems
•Last-round bolt hold open

Capability Boosts

Modularity+2

Recommended For

Duty/Patrol+2

duty+2

Competition+2

customization+2

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Pros

+Converts a standard AR-15 magazine well without a dedicated pistol-magazine lower
+Available for both straight-blowback and delayed operating systems
+Retains last-round bolt hold open

Cons

−Requires a separate Gen 2 or Gen 3 PMAG body
−The ejector and ejectorless versions are not interchangeable across operating systems

Detailed Specifications

caliber: 9mm
format: Conversion insert for Magpul PMAG Gen 2 or Gen 3 body
actionCompatibility: Ejector version for straight blowback; ejectorless version for MEAN Bearing Delay and CMMG RDB
boltHoldOpen: Yes
included: EndoMag insert; PMAG body not included