NUPROL RZR 0.28g Precision BIO BB x3300

Code: RZR-028BIO
  • White BIO BBs
  • 0.28g in Weight
  • Approx 3300 BBs

NUPROL's latest environmentally friendly offering into the Airsoft Market with newly designed heavy-weight BBs made to offer excellently consistent performance at long-range and greater accuracy, which after use Degrade and Breakdown over time. 

Full description


The 0.28g BBs are constructed from a special Biodegrading Polymer, and are 5.95mm in diameter, with a +/- 0.01mm Tolerance. The BBs are sorted before bottling, only allowing BBs within 0.01mm in size difference to be used. NUPROL's latest BBs are slightly smaller than other brand BBs, which helps with Weapon Feeding and with Tightbore Barrelled Weapons. This weight of BB is best suited to outdoor gameplay, as they are less effected by the wind, and work perfectly in upgraded and high end Airsoft Rifles and Great for Sites which only allow Bio-BB which degrade. These BBs are perfect for any Airsoft Skirmisher looking for their next go-to brand of BB, and for those looking for a more reliable and consistent BB.


  • Part of NUPROL's BB Range
  • BIO BBs which Degrade and Breakdown over time
  • Great for Sites which only allow Bio-BB which degrade
  • Great for Players with Upgraded Airsoft and High End Weapons
  • Great for CQB and Indoor Environments
  • White in Colour
  • Newly Designed Bottle Shape
  • Approx. 3.3k BBs per Bottle
  • 5.95mm +/- 0.01mm tolerance

Package Includes:

  • RZR 0.28g Precision BIO BB x3300




Colour Wheel Greyscale
Item Colour
Weight KG Icon
Weight (KG)
Approx. 0.924kg

BB Specific

Approx. 3300
BB Type
BB Weight (g)
BB Size (mm)
Approx. 5.95mm
BB Tolerance (mm)
+/- 0.01mm
BB Material
Biodegradable Polymer
Bottle, Resealable,

Customer reviews

5 / 5
1 review for NUPROL RZR 0.28g Precision BIO BB x3300 customer reviews
Written on 06/06/2020
Didn't know if my Firehawk would be able to use 28s. FYI- It most certainly can.
Rated 5 out of 5

These BB's aren't doing it for you? why not try some others?