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6mmProShop 140rd Midcap Magazine for M4 M16 Series Airsoft AEG Rifles (Color: Black / Set of 10)

ID: 50578 (MAG-M4-140Bx10)
6mmProShop859188505780UFC-MG-59X-BK / UFCMG59XBK / STMAG36WBK50578
4.6 stars, based on 162 reviews
6mmProShop 140rd Midcap Magazine for M4 M16 Series Airsoft AEG Rifles (Color: Black / Set of 10)
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MAP ProtectedExempt From Coupons
The manufacturer of this product enforces a strict minimum advertised price (MAP) policy which excludes this product from any additional discount coupon codes. This item, however, may qualify for free shipping.


  • Good compatibility with major brand M4 rifles
  • Precision feeding, better than hi-cap magazines
  • Stealth operation; no rattling sounds
  • Lightweight construction makes it easy to carry multiple magazines
  • Mag and dump pouch friendly
  • OEM Factory direct pricing
Constructed of durable hard polymer material, the 6mmProShop mid-cap magazine is lightweight and can take a beating. The mag features a standard design making it great for all types of M4 magazine pouches, and compatible with most major brand M4 AEG rifles.

Compatibility: For VFC, Classic Army, JG, ARES, G&G, Echo1, ICS, Matrix, Tokyo Marui and other compatible Airsoft AEG Rifles
Capacity: 140rds
Material: High strength polymer

Manufacturer: 6mmProShop (USA) / UFC (Japan)

About 6mmProShop

Established in 2011, 6mmProShop Inc. is a USA based manufacturer and distributor with a mission to bring law enforcement training, Airsoft sporting events, and military simulation to the next level. 6mmProShop features exclusive licensed products, unique innovations, and distribution rights of many exciting products from Japan, Europe, South America, and Asia. With headquarters located in the USA, 6mmProShop offers unmatched product support, inventory availability for resellers, and worldwide exclusive products!

162 Customer Reviews

(Write a review)

by Pierce O. on 08/31/2022
"Very good solid build it’s lightweight no rattling and does it it’s supposed to planning on buying two more
by Jessie W. on 08/14/2022
"First off, I got 1 of these mags to see if it works in my Valken Polymer M4. It fed BBs into the gun perfectly, And i was able to got all except maybe 2-3 BBs out of the Mag(But thats a problem with all midcaps), And that prompted me to buy 2 more, And after about a week of use in Plinking, Drills and actual games, Heres my review.

1: The mags work flawlessly. They feed BBs amazingly into my Valken M4.
2: They are light, Ounces = Pounds, Pounds = Pain.
3: This is more personal, But they sound amazing when inserting into the Magwell.
4: They are cheap, I work on a relatively tight budget but with how cheap these mags are i can buy multiple of them.
5: They look good, Especially with tan MAGPUL grips on them.
Bonus: I painted custom markings on my mags and they hold the paint amazingly, I used Apple-Barrel Acrylics.
by Richard W. on 07/29/2022
"These mags are amazing, dirt cheap and work perfectly. I never had a problem other than a little wiggle room.

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