Gel blaster FPS limits in Queensland: field caps and why your gel changes the reading
Quick Answer: Queensland law doesnโt set an FPS limit for gel blasters. Each field sets its own: Blacksite is 330 FPS and semi-auto only, Danger Close is 350 FPS, and Gel City has no FPS limit in regular sessions but bars HPA blasters over 300 FPS from family sessions. Milsim organisers set limits by blaster role. Chrono at home with the gel youโll actually use, because gel changes the reading: my MK18 reads about 340 on some gel and about 325 on sorted SummerCat SV.
โWhat FPS do I need to be under?โ is one of the first questions new players ask. The answer surprises people: the law doesnโt set one. Fields do, for safety, so the number depends on where you play.
No legal cap, only field caps
Queensland Policeโs gel blaster rules cover age, storage, carrying, modification and misuse, not muzzle velocity (QPS). The one modification rule to know: itโs an offence to modify a gel blaster so it can fire ammunition as defined in the Explosives Regulation 2017. Within that, velocity limits are field rules.
Caps at Queensland fields
- Blacksite, Hillcrest (indoor): 330 FPS across the whole field, semi-auto only.
- Danger Close, Kooralbyn (outdoor): 350 FPS.
- Gel City, Sunnybank Hills (indoor): no FPS or rate-of-fire limit in regular sessions, but players are told not to abuse that, and deliberately overshooting can get you expelled. HPA blasters over 300 FPS (semi only) are barred from family sessions (Gel City rules). Its Australian Speedball League enforces its own chrono limits.
- Mjolnir Gelsim (milsim): sets FPS categories by blaster type, with separate rules for designated marksman and sniper rifles (Mjolnir SOP).
- Other fields: check the fieldโs own rules before you go. Every SEQ field is listed in where to play in SEQ.
How chrono checks work
Fields chrono blasters before play: you fire a few shots through a chronograph and the reading is checked against the cap. Over the cap usually means detuning it, using the fieldโs hire gear, or sitting out. None of those is how you want to start a day, so know your number before you leave home.
Chrono at home, the night before. That gives you time to deal with a hot reading. Itโs part of my game-day prep.
Re-check after any internal change. A new spring, nozzle or hop-up bucking can move the reading.
Use your game-day gel. See below.
Consistently over? Have an approved QLD tech detune it properly rather than guessing at springs.
Make your chrono reading predictable
Graded gel, sorted to your bore
SummerCat states its grown size for every line, and the electric sorter keeps only the size you want, so the gel you chrono with is the gel you play with.
๐ฃ Why the same blaster reads differently on different gel
My MK18: about 340 on some gel, about 325 on sorted SV.
A chronograph measures the gel, not the gearbox. The same blaster, with the same spring and hop-up, gives a different reading depending on what you feed it.
My MK18 reads about 340 FPS on some gel. On SummerCat SV, grown about 3 hours and sorted to 7.20โ7.25mm, it reads about 325. Thatโs the difference between failing and passing Blacksiteโs 330 cap, with nothing changed inside the blaster. Our 3 August test on the same rifle averaged 322 to 329 FPS across three soak times (how we tested).
So chrono with the exact gel youโll run on the day, grown and sorted the same way. If youโre within about 15 FPS of a fieldโs cap, the gel alone can decide whether you pass. My N4, for comparison, reads about 320.
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Frequently asked questions
Is there a legal FPS limit for gel blasters in Queensland?
No. Queensland law doesnโt set one. Fields set their own limits for safety.
What are the FPS limits at Queensland fields?
Blacksite is 330 FPS and semi-auto only, Danger Close is 350 FPS, and Gel City has no limit in regular sessions but bars HPA over 300 FPS from family sessions. Always check with the field.
Why did my blaster read higher than last time?
Often itโs the gel. My MK18 reads about 340 on some gel and about 325 on sorted SV. Chrono with the gel youโll actually use.
What happens if Iโm over the cap?
Usually you detune it, use hire gear, or sit out. Chrono at home first.
Can I modify my gel blaster for more FPS?
Fields cap it anyway, and itโs an offence to modify a gel blaster so it can fire ammunition as defined in the Explosives Regulation 2017.
Sources
- Queensland Police Service - Gel blasters (18+ rule, locked container, out of public view)
- RPM Techshop - Blacksite sessions, prices and rules (checked 1 November 2026)
- Danger Close Gel Ball - prices, rental and FPS cap (checked 1 November 2026)
- Gel City - Rules and Regulations (no FPS or RPS limit, full-face masks, minimum age 6)
- Mjolnir Gelsim - Standard Operating Procedures v1.3, January 2026
- RedSpear Armory - SummerCat Pink SV soak-time test, 3 August 2026
- Patrick Amadeu, RedSpear founder - interview on selling, shipping, carrying and chrono readings, 3 November 2026
Last checked: 3 November 2026.
Over the cap?
An approved QLD tech can detune it properly. Or browse used blasters from Queensland sellers, with chrono readings in the listing where the seller has them.
Read next: Inconsistent FPS ยท Do sorters help? ยท First field day
Written by Patrick Amadeu
Founder of RedSpear Armory and a critical care paramedic since 1989. Iโve played indoor at Blacksite and the former GelSoft Yatala, and outdoor at Donnybrook, Kooralbyn and Bundaberg. RedSpear exists because my first rifleโs gearbox died four days after the shopโs warranty ran out. More about me
RedSpear Armory โ Queensland's dedicated marketplace for used gel blasters. Browse listings, sell your gear, and connect with the local QLD community at redspeararmory.com.au.