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Women is Clothes & Fashion

Shop women is clothing and accessories and get inspired by the latest fashion trends.

Simple Style

A new flattering style with all the comfort of our linen.

Easy Layers

Endless styling possibilities in a collection full of versatile pieces.

BLS BIO UH Airsoft Pellets 0.45g, 1000 BBs (Bag) - White

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BLS BIO ULTIMATE HEAVY airsoft BBs weighing 0.45 g in white finish.

1000 BBs package (small resealable bag).

The most popular BB ammo for all airsoft guns (rifles, snipers, LMGs, SMGs, shotguns and pistols).

Biodegradable (BIO PLA).

Suitable for AEG, HPA, gas guns and spring-powered replicas.

The best-selling BBs in the world.

BLS – Bestial Luxury Shots.

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BLS BIO ULTIMATE HEAVY Airsoft BBs

Do you want to shoot with high accuracy, long range and consistently hit your opponents? Are you looking for the best-selling airsoft ammunition globally that is perfectly polished, clean and highly visible? Do you want BBs that are ideal for CQB spraying, arena domination, long-range precision shots and are also environmentally friendly? Then you’ve just found the right BIO PLA BBs for you. BLS BIO ULTIMATE HEAVY BBs are a well-established brand on the 6 mm ammunition market. This Taiwanese manufacturer produces high-quality, globally best-selling BBs suitable for all airsoft guns, including pistols, rifles, SMGs, LMGs and sniper rifles. BLS BIO ULTIMATE HEAVY BBs undergo hand-measured and extremely strict quality control. Besides dimensional accuracy, the manufacturer focuses on surface finish: polishing and smoothness are inspected to ensure maximum range and stable flight trajectory. BLS BBs offer the best price-to-performance ratio. Their measured diameter is 5.95 mm (± 0.01 mm), which means you can safely use them in tightbore barrels down to 6.01 mm and even in high-speed builds pushing 25+ BB/s. BIO BBs are made from PLA-based biodegradable polymer (Polylactic Acid), which decomposes much faster in nature. Some fields and arenas require BIO BBs exclusively.

Brand introduction and product showcase by BLS

BLS BB Variants

PRECISION & BIO
The most common product line — standard plastic BBs or biodegradable BIO PLA BBs. Diameter 5.95 mm (± 0.01 mm). Available in resealable bags or portable bottles. Offered in weights from 0.20 to 0.32 g.
PRECISION ULTIMATE HEAVY & BIO ULTIMATE HEAVY
Special heavy-weight BBs in standard or BIO PLA versions. Diameter 5.95 mm (± 0.01 mm). Available in 1000-round bags or 1 kg packs. Offered in 0.36–0.48 g.
STAINLESS ULTIMATE HEAVY
Special BBs infused with metallic powder for higher weight and increased Joule energy. Diameter 5.95 mm (± 0.01 mm). Sold in 1000-round bags in weights 0.38–0.50 g. Not recommended for gameplay due to safety and hardness; they also require barrel cleaning and increase barrel wear. Intended for competition and target shooting.
TRACER & TRACER BIO
Premium tracer ammunition tuned for night games and arena tournaments. Same 5.95 mm (± 0.01 mm) diameter. Available in bags or transport bottles. Offered from 0.12 to 0.32 g. New blue tracer BBs available.

Manufacturing process, polishing and BLS quality control

Recommendations and Practical Tips

Magazines are your vault
When crawling or playing in dusty environments, always use pouches with flaps. If sand enters your magazine, the BBs will carry it straight into the hop-up chamber and barrel, ruining accuracy and potentially damaging the bucking and barrel.
Don’t eat from the ground
If BBs fall onto the ground or remain exposed to dust, do not reuse them — even microscopic dirt acts like sandpaper inside your barrel and hop-up.
Regular inner-barrel maintenance
After every game, clean your barrel with a cleaning rod and a dry microfiber cloth. Avoid oils — the barrel must remain dry for proper hop-up function. You may use isopropyl-based cleaners. Check our guide How to properly clean an airsoft barrel.
Watch your speedloaders
Dirt often enters guns through a dirty speedloader. Keep it as clean as your magazines.
Material degradation
BBs — especially BIO / PLA — react to humidity. If you leave them in a magazine or open bag for weeks, they may swell or change surface properties, causing jams and serious gun damage. Discard deformed BBs immediately.
Final advice
Do not store BBs for years. Buy fresh ammo before events and use opened packages quickly. Keep them in the original packaging with silica gel. Even the best barrel can be ruined by a dirty or poor-quality BB. Professional snipers even degrease their BBs before each game. If unsure which BBs to choose, see our article How to choose the right airsoft BBs.

Technical Specifications

Product line: BIO ULTIMATE HEAVY
Approx. quantity: 1000
BB weight: 0,45 g
Material: Biodegradable polymer (BIO PLA)
Color: White
Diameter: 5.95 mm ± 0.01mm
Packaging: Small resealable bag

Package Contents

BLS BIO ULTIMATE HEAVY 0.45 g airsoft BBs

Reference 1BA-PLA45

In stock 944 Items

Specific References

UPC: 10669

Women is Clothes & Fashion

Simple Style

Easy Layers

Women is Clothes & Fashion

Simple Style

Easy Layers

BLS BIO UH Airsoft Pellets 0.45g, 1000 BBs (Bag) - White

BLS BIO ULTIMATE HEAVY Airsoft BBs

BLS BB Variants

Recommendations and Practical Tips

Technical Specifications

Package Contents

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