BLS 0.45g Biodegradable Airsoft BBs – 1000 Rounds

Heavyweight Bio Sniper BBs | Precision 6mm Airsoft Ammunition

The BLS 0.45g Biodegradable Airsoft BBs are premium heavyweight sniper ammunition designed for high-powered airsoft sniper rifles and Designated Marksman Rifles (DMRs).

Manufactured from biodegradable PLA-based material with a precision diameter of 5.95mm ±0.01mm, these 0.45g BBs feature a highly polished, seamless surface for consistent feeding, reliable hop-up contact and predictable long-range performance.

Supplied in a resealable bag containing approximately 1000 white BBs, they are an excellent choice for airsoft snipers looking for heavyweight precision ammunition suitable for sites that accept biodegradable BBs.

Why Choose BLS 0.45g Bio BBs?

When shooting at extended distances, wind resistance and ammunition consistency become increasingly important.

The heavier 0.45g BB weight helps reduce wind drift compared with lighter ammunition, while retaining momentum further downrange.

BLS precision manufacturing and strict dimensional tolerances help minimise variations in BB size and roundness, supporting consistent hop-up performance and tighter shot groupings when paired with a correctly tuned rifle.

Key Features

• 0.45g heavyweight BBs: Designed for long-range airsoft sniper rifles and high-powered DMRs.
• Biodegradable PLA construction: Suitable for airsoft sites accepting PLA-based biodegradable ammunition.
• Approx. 1000 rounds: Supplied in a convenient resealable bag.
• 5.95mm ±0.01mm diameter: Tight manufacturing tolerances for consistent feeding.
• Highly polished surface: Smooth finish for reliable hop-up contact.
• Seamless construction: No visible mould seams or joins.
• Precision quality control: Manufactured with strict size and roundness checks.
• Improved wind resistance: Heavier ammunition helps reduce the effects of crosswinds.
• White BBs: Easier to observe during flight and when adjusting hop-up.

Are 0.45g BBs Good for Airsoft Snipers?

Yes. BLS 0.45g Bio BBs are particularly well suited to powerful, upgraded airsoft sniper rifles.

Compared with lighter 0.36g, 0.40g and 0.43g ammunition, 0.45g BBs generally offer greater resistance to wind drift.

However, heavier ammunition requires sufficient muzzle energy and a capable hop-up system to achieve an effective trajectory.

For lower-powered sniper rifles, a lighter BB may provide better results.

BLS 0.43g vs 0.45g vs 0.48g BBs

The heaviest BB is not automatically the most accurate. Testing different weights in your own rifle is the best way to determine which delivers the most consistent results.

Biodegradable Sniper BBs for Outdoor Airsoft

These BLS 0.45g BBs are manufactured from PLA-based biodegradable material.

Unlike conventional plastic BBs, PLA-based ammunition is designed to break down under suitable environmental conditions, although the rate of degradation varies considerably.

This makes them an option for woodland airsoft sites that require biodegradable ammunition.

Always check individual site requirements before use.

Suitable Airsoft Sniper Platforms

Designed for properly configured 6mm airsoft sniper rifles and DMRs, including compatible builds based on:

• Silverback TAC-41
• Silverback SRS
• Tokyo Marui VSR-10
• Novritsch SSG10
• ASG Steyr Scout
• Other upgraded bolt-action sniper rifles and DMR platforms

Performance depends on rifle power, hop-up configuration and barrel compatibility.

Technical Specifications

Frequently Asked Questions

Are 0.45g BBs better than 0.43g BBs?

They offer slightly greater resistance to wind, but the best choice depends on your rifle's muzzle energy, hop-up performance and engagement distances.

Can I use BLS 0.45g BBs in a standard AEG?

These heavyweight BBs are primarily intended for upgraded sniper rifles and suitable DMRs. Many standard AEGs may struggle to hop them effectively.

How many BBs are included?

Each resealable bag contains approximately 1000 white 0.45g biodegradable BBs.

Are BLS 0.45g Bio BBs suitable for biodegradable-only sites?

They are made from PLA-based biodegradable material, but site requirements vary. Always check the site's accepted ammunition types.

How should biodegradable BBs be stored?

Keep them sealed in a cool, dry location away from excessive heat, moisture and direct sunlight.

Complete Your Airsoft Sniper Setup

Pair your BLS 0.45g Biodegradable BBs with our range of Heavyweight Airsoft BBs, Biodegradable Airsoft BBs, Sniper Hop-Up Rubbers, VSR-10 Upgrades and TAC-41 Spare Parts.

For help choosing the correct ammunition, explore our Airsoft Sniper BB Weight Guide and compare 0.40g, 0.43g, 0.45g and 0.48g sniper BBs.

Precision manufactured. Heavyweight performance. Built for long-range airsoft.