16090 Steyr M9 7-11 or Dan wesson 7-04 Fixing Ring or 18199_7-04 or 17309 7-11
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  • 16090 Steyr M9 7-11 or Dan wesson 7-04 Fixing Ring or 18199_7-04 or 17309 7-11
  • 16090 Steyr M9 7-11 or Dan wesson 7-04 Fixing Ring or 18199_7-04 or 17309 7-11
  • 16090 Steyr M9 7-11 or Dan wesson 7-04 Fixing Ring or 18199_7-04 or 17309 7-11

16090 Steyr M9 7-11 or Dan wesson 7-04 Fixing Ring or 18199_7-04 or 17309 7-11

€6.99
Tax included

Fixing Ring 7-11 or 7-07 or 18199_7-04

Quantity

In Stock - Delivery to Parcel Shop / Locker: 3 to 7 business days

Bague de fixation ASG - Original part

Small part, big impact: this retaining ring seals and holds the internal seals of your CO2 replicas for consistent performance shot after shot.

Description Valve fixing ring for Dan Wesson, CZ75 and Steyr M9-A1of product

  • Brand: ASG (ActionSportGames), official manufacturer of airsoft parts.
  • Role: retaining ring / seal support (O-ring type) for CO₂ system, contributing to internal sealing.
  • Position: integrated into the CO₂ valve block / percussion system, in association with seals 7-11 and 7-12 on certain kits.
  • Material: metal, in robust alloy to resist
  • Propulsion type: CO2 (only)

For the same part, depending on replica models it has different names and different part numbers.

Names of this part

  • Piercer Retention Ring,
  • Piercer Fixing Ring,
  • Seal Threaded Ring,
  • Seal Retaining Screw

Part numbers for this part

  • #7-04
  • #7-05
  • #7-07
  • #7-11

Function and purpose of the Piercer Retention Ring

The ring correctly holds the gasket (O-ring 7-11) around the gas passage area, preventing CO₂ leaks.

It stabilizes the moving parts of the valve block, limiting backlash and power variations when firing.

Simple assembly for any user already accustomed to basic disassembly of a CO₂ replica (access to valve block / handle).

Piercer Fixing Ring compatibility

Part found in many ASG replicas:

  • ASG P-07 part #7-05
  • ASG DUTY part #7-05
  • ASG CZ75 part #7-05
  • ASG STI part #7-05
  • ASG Schofield
  • ASG Steyr M9-A1 part #7-11
  • ASG Dan Wesson 715 part #7-04 (all versions 6mm and 4.5mm)
  • ASG Dan Wesson Classic part #7-04
  • ASG X9
  • ASG 17309 BERSA THUNDER 9 PRO part #7-11
  • ASG BERSA BP9CC part #7-05

but also in other brands Umarex, Wingun H8R revolver...

Airsoft technician's opinion

"The ring that often breaks when disassembling the damned green gasket! Official ASG (ActionSportGames) part, guaranteeing a millimeter-accurate fit.

During assembly, take the opportunity to lubricate your joints with silicone oil for a perfect seal."

Product Details

K-E7E8-2177110158438-16090_7-11

Data sheet

Product type
Airsoft spare parts / Upgrade
Brand
ASG
Material
Metal

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