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BIO Precision .40g BB's - 1000ct - White

BIO Precision .40g BB's - 1000ct - White

BIO Precision .40g BB's - 1000ct - White

BIO Precision .40g BB's - 1000ct - White

BIO Precision .40g BB's - 1000ct - White

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BIO Precision .40g BB's - 1000ct - White

$19.95

Available Colors

BIO Precision .25g BB's - 3600ct - White

BIO Precision .28g BB's - 2700ct - White

BIO Precision .30g BB's - 2700ct - White

BIO Precision .32g BB's - 2700ct - White

BIO Precision .36g BB's - 1000ct - White

BIO Precision .43g BB's - 1000ct - White

Hostile Green Gas

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Hostile® Airsoft BIO BBs

Play hard and leave no trace with Hostile® Airsoft Bio BBs. Made from eco-friendly materials, these BBs break down over time. Seamless, polished, and made to the highest standards in Taiwan, they shoot clean and true every time, with no barrel residue. For players who care about the environment and still want to dominate the field, Hostile Bio BBs are the perfect choice.

Features

.40 Grams / 6mm size BBs
Polished, smooth finish for consistent feeding and reduced barrel wear
Accurate weight for reliable performance, shot after shot
No seams, pitting, or dimples, ensuring smooth, stable flight and enhanced accuracy
100% spherical design for straight shooting and predictable performance
Proper balance for ideal weight distribution and consistent impact accuracy
Made from biodegradable materials that break down over time, environmentally friendly
Designed for use in outdoor environments without leaving long-term environmental impact
Packaged in bottle for long-term freshness and protection from environmental factors

What's New

New Gear for 2026

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Hex PWR Barrel Restock

Hex PWR Barrel Restock

BARREL BUILDER

Pick your colors and build your own custom Hex PWR Barrel Kit.

BAGS + CASES

BAGS + CASES

SHOP NOW

Discover Expand Bags and EXO Cases to store and protect your gear.

NEW RMX GOGGLE COLORS

NEW RMX GOGGLE COLORS

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The HK Army RMX Goggle System delivers toolless lens swaps, anti-fog dual-pane clarity, and tri-layer comfort foam.

NXL LONE STAR PAINT

NXL LONE STAR PAINT

TEAM SIGNUP

Reserve team paintballs for HK Army Exclusive at NXL Lone Star 2026.

new turbine pro regs

new turbine pro regs

See New Colors

Fully adjustable 350–650 PSI output with a 360° rotating bonnet, ensuring maximum comfort and performance.

WYN33 Lubricant

WYN33 Lubricant

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Silicone-based lubricant in 10 easy-use pouches.

Paintball markers

Paintball markers

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See the newest HK Army Paintball Markers for beginners to pro.

TEAM SPONSORSHIP

TEAM SPONSORSHIP

LEARN MORE

Applications are now open for paintball and airsoft teams for 2026 sponsorship.

CUSTOMER SUPPORT

For returns or exchanges, visit our Returns Portal. For other inquiries, visit our Customer Help Center.

Help Center

WHOLESALE

Our wholesale program offers a diverse range of opportunities for fields, stores and online retailers.

Become A Dealer

GIVE 20 GET 20

Give your friends $20 off their first order of $150+ and get $20 in redeemable loyalty tokens for each referral.

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