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Home » Accessories & Parts » Hand Grenades & Mines

APS Spare Replacement Shells for Thunder B Sound Grenade Cores
(Package: Flash Bang / 12 Pack)

ID: 34420 (TB-S-03x12)
TB-S-03
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APS

$25.95

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.
Package Options:
PackageDistraction Device / 12 Pack$27.95
PackageDistraction Device / Single$2.95
PackageFlash Bang / 12 Pack$25.95
PackageFlash Bang / Single$2.95
PackageGolden Pineapple / 12 Pack$59.95
PackageLemon Grenade / 12 Pack$27.95
PackageM18 Smoke Grenade / 12 Pack$29.00
PackagePineapple Grenade / 12 Pack$20.95
PackagePineapple Grenade / Single$2.95
PackageSound Flash / 12 Pack$23.95
PackageSound Flash / Single$2.95
PackageSound Flash Blue / 12 Pack$21.95
PackageSound Flash Blue / Single$2.95
PackageTripwire / 12 Pack$26.95
PackageTripwire / Single$2.95

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Product Description

Features

  • Replacement Thunder B grenade shell
  • Simulation noise emitting device
  • Single use shell pops with audible noise
  • Safe non-fragmenting plastic
  • Non-pyrotechnic

Manufacturer: APS

*Grenade Core not included with this listing.
*Please recycle after use.

27 Customer Reviews

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by Albert H. on 09/28/2025
"I've used both the distraction type and the sound flash for a while and I can say the sound flash is much more reliable to use than the latter. The size of the sound flash is smaller and is better to use in my opinion because it feels more balanced in the hand than the dumbbell type. The sound flash also fits nicely in most smoke grenade pouches. the walls of the dumbbells feel too thick and tough and don't detonate reliably in my experience even if you score the seams with a blade. I don't have this issue as much with the sound flash shells. They're also a bit cheaper which is just a bonus. Pro tip: cook your thunder B for a second or two before throwing it so enemies don't have a chance to retreat.
by Sebastian J. on 12/26/2019
"Good shells that work with my setup. I fill them up with BBs because it decreases the total volume and makes sure it blows up. The pictures look a lot cheaper than they do in person, they look very cool in person.
by Benjamin C. on 10/05/2018
"Love Thunder-B! Must have for all milsim Airsoft events!

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APS

About APS

APS Limited, formerly known as APS Airgun Ltd was established in 2001. APS started by specializing in designing and building Simulation Training Equipment (Real Action Markers & Powder Balls for training simulation). APS - the three words stand for Accuracy - Pneumatics - Shooting. With their knowledge and experience that has been gained from making Real Action Markers and Projectiles, APS launched a new product line - Electronic Blow Back (EBB) products to spur the current Airsoft Market. Since entering the Airsoft industry their line of Airsoft rifles, pistols and accessories have been incredibly popular.