New RMX Goggle Drop Shop Now

Paintball Sizer Guide - Black

Paintball Sizer Guide - Black

Paintball Sizer Guide - Black

Paintball Sizer Guide - Black

Paintball Sizer Guide - Black

Paintball Sizer Guide - Black

Paintball Sizer Guide - Black

Paintball Sizer Guide - Black

$11.95

The HK Army Ball sizer is a multipurpose tool for players of all levels. With 9 ball sizing gauges, you will be able to match your paint size to your barrel bore size for optimal accuracy. In addition to the sizing gauges, this handy tool comes with a hex wrench opening to assist with removal of a tank extender. The HK Army Ball Sizer also incorporates a tape cutter, bottle opener, and is topped off with a carabiner for clipping onto belt loops, backpack webbing, or a lanyard.

Features

Machined Aluminum Paintball Sizer
9 Ball Sizing Gauges With Laser Engraved Sizes
HK Army Carabiner
Bottle Opener
Tank Extender Wrench
Tape Cutting Edge

What's New

New Gear for 2026

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.

EJECT-X HARNESS

EJECT-X HARNESS

SHOP EJECT-X

The new pro strapped harness available in 3+2, 4+3 and 5+4 pack sizes.

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.

Build Your Air System

Build Your Air System

BUILD Yours

Choose between HP8 or Turbine Pro Reg to build your Alpha Air Tank. Available in 15ci, 48ci, 68ci, 77ci, 88ci and 98ci bottle sizes.

TEAM SPONSORSHIP

TEAM SPONSORSHIP

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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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