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Established 2006. Kent's Only Authorised 5.11 Tactical Retailer

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Engineered for the Wolverine MTW

The PTS EPM-MTW M4 magazine is a collaboration between PTS and Wolverine Airsoft, built specifically for the Wolverine MTW and Heretic Labs Article series HPA rifles with an M4 or M16 magwell. That focused design means it drops in and works exactly as it should, with full support for the MTW-spec empty magazine detection feature.

120 rounds, mid-cap discipline

With an approximate 120-round capacity, this is a mid-cap magazine that rewards good trigger discipline. You get enough BBs for fast-paced CQB and MilSim scenarios without the extra weight of a hi-cap, keeping your loadout light and your reloads realistic.

Quiet, reliable feeding

Forget winding wheels and rattling BBs. The EPM-MTW uses a strong internal spring to feed reliably with no winding required and no rattle as you move, so you stay quiet on the approach and confident that every shot will feed.

Tough Zytel build

Constructed from high-quality DuPont Zytel polymer, the magazine is made to take the knocks of regular skirmish use while staying light at around 176g. It is a genuine, purpose-built spare or spare-set addition for any MTW owner. Note it does not fit the MTW-9 or MTW-308. See our airsoft magazines range for more options.

Bought from the specialists: our in-house workshop in Rochester, Kent can service, repair and upgrade your kit. See our airsoft gun repair and servicing.

General
BrandPTS
ColourBlack
Dimensions
WeightApprox. 176g
Other
CapacityApprox. 120 x 6mm BB
MaterialDuPont Zytel polymer
ModelEPM-MTW M4 Enhanced Polymer Magazine
TypeMid-cap magazine
FitsWolverine MTW and Heretic Labs Article series (M4 / M16 magwell)
Not compatible withWolverine MTW-9 and MTW-308
Power systemHPA rifle platform
SKUMTW-A-502-SKU
FeatureMTW-spec empty magazine detection support

Frequently asked questions

How many BBs does it hold?

It holds approximately 120 rounds of 6mm BBs. As a mid-cap it strikes the balance between meaningful firepower and low weight, without the rattle and bulk of a hi-cap.

Which rifles does it fit?

It is designed for the Wolverine MTW and Heretic Labs Article I series with an M4 or M16 magwell. It is not compatible with the Wolverine MTW-9 or MTW-308 variants.

What is empty-mag detection and does this support it?

The Wolverine MTW can pause firing when a magazine runs dry, mimicking a real bolt-lock feel. This magazine is built to work with that MTW-spec empty magazine detection.

Does it need winding like a hi-cap?

No. It is a no-wind design with a strong internal spring that feeds BBs reliably, so there is no wheel to wind and no rattling as you move.

What is it made from?

It uses high-quality DuPont Zytel polymer, a tough, durable material chosen to survive drops and hard skirmish use while keeping weight down at around 176g.