Hammerhead Barrel Adapter Fin Sizer (.683) — Auto Cocker (female) → A5 (male)

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Brand: HAMMERHEAD

Patented Hammerhead Fin Sizer for perfect paintball sizing and improved barrel performance. Compatible with Auto Cocker threads and Hammerhead rifled / reverse-ported barrels.

Availability In stock
Delivery to:
03.08.2026
Delivery options
Code: HH-A5-683M
37,12 € 30,68 € excl. VAT Measure price:
Hammerhead Barrel Adapter Fin Sizer (.683) — Auto Cocker (female) → A5 (male)
Not rated Rating details
Brand: HAMMERHEAD

The latest patented Hammerhead Barrel Adapter Fin Sizer is based on the Auto Cocker thread platform for maximum compatibility and versatility. It can be seamlessly combined with all Auto Cocker threaded barrels and is compatible with Auto Cocker Hammerhead rifled barrels and reverse-ported muzzles.

Hammerhead Fins (Sizers) are precisely engineered to match the paintball size to the barrel’s bore specifications. Paintball size can vary depending on paint type, weather conditions, and manufacturer tolerances. For best performance, use the proper sizer that fits your paintballs and the day’s conditions. The patented Hammerhead Fins are optimized to work with the air pressure during the first two inches of the paintball’s travel after leaving the marker. Precision machining ensures top quality. Made in the USA.

Technical specifications:

  • Adds 1 inch to overall length
  • Female thread: Auto Cocker
  • Male thread: A5
  • Available size: .683

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