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6mmProShop 60rd M381 40mm Airsoft Grenade Shell (QTY: One)

ID: 51170 (GS-CART-03-Sx1)
2.8 stars, based on 5 reviews
6mmProShop 60rd M381 40mm Airsoft Grenade Shell (QTY: One)
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This item is currently Sold Out

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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.


  • 60rd capacity
  • CNC machined aluminum
  • Triple ball bearing design provides a great seal and is easy to rebuild
  • High quality silicone o-rings for optimal air compression
  • Laser markings (M381 or M433, may vary)
  • Green gas and CO2 compatible
Length: 85mm
Compatibility: For Most Standard 40mm Airsoft grenade launchers
Capacity: 60rds
Gas Type: Green Gas, Red Gas, Propane, and CO2
Material: CNC Aluminum

Manufacturer: 6mmProShop (OEM: UFC)

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!

5 Customer Reviews

(Write a review)

by Zachary K. on 02/26/2019
"I got this a few months ago, it didnt fit in my grenade launcher (it was home made so that might be the issue, other grenades fit though), so thats a downside. Also I somehow lost the ball bearings.

Shoots great, doesnt leak.

BBs might fall out the front
Lost the 3mm ball bearings that go inside
didnt fit my diy grenade launcher

I rate 7 epic victory royales outta 10
by Mitchell R. on 10/19/2020
"Ive had this for 4 years. The Orings inside are reliable. The grenade is very weak. Even with only 1 BB in each barrel it will not penetrate carboard boxes at point blank range. Perhaps it would in 80F+ heat but at 65-70F it will not. This means it is largely ineffective. Although it is reliable.

I tried unregulated CO2 in this and the button becomes so hard to push it wont work. I had to clamp it down and use a screw driver and a hammer to tap the button and discharge the gas.

I think if we tried using the Madbull CO2 adapter and set it between 200-300PSI this would likely become strong enough to be effective. But only with 1-3 BBs per barrel. This means to get the full barrel length you'd need to tilt the shell back, negating downhill or even close range shots. This is because the BB retention Oring is at the top of the shell. On the G&P 18rd "long range" shell the Oring is at the bottom; so no matter where you aim it each BB gets a decent barrel length to accelerate through. Thats a much better deisgn.
by William B. on 08/04/2016
"I usually start with the positives on products but this shell... oh sweet mercy...

Poorly built chambers let bbs fall out with gravity and mild shaking.
The reset is very picky; almost difficult.

It has a nice POP when it actually fires, with as many bbs as possible.

Why would you want this shell?
Prop use? Training shell? Lowering expectations for better products?

Overall this grenade for the most part fails to perform its simple functions, let alone impress me. It's decent when it does work, so consider that its saving grace.

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