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Effecto Airguns Silencer Adapter (M12x1.25 to 1-2-20 UNF) We designed this Silencer Adaptor for Effecto Airguns (such as the PX-5 series), but it will also fit on other air guns with the data we provided. Female diameter is M12x1.25mm, Male UNF 1/2-20.
The Effecto Airguns Silencer Adapter is a precision upgrade designed to expand the muzzle options of your air rifle. It converts your factory thread directly into a standard size, allowing you to connect a wide variety of aftermarket moderators and silencers.
In many factory setups, rifles use specific proprietary threads, limiting your choice of quiet shooting accessories. The Effecto Airguns Silencer Adapter solves this issue by converting the muzzle to the universally accepted 1/2-20 UNF thread, letting you mount popular moderators from brands like DonnyFL, Huggett, FX, and Saber Tactical.
This premium 3D-printed version is engineered with high-tolerance threading to ensure a perfect, secure fit onto the muzzle with zero play. The internal bore features a precise 7.8 mm opening clearance and is perfectly coaxial (centered) with the barrel's bore. This completely eliminates the risk of pellet or slug clipping, thereby maintaining your rifle's match-grade accuracy.
Because it is incredibly lightweight, this adapter does not disrupt the factory balance of your rifle or cause a shift in your Point of Impact (POI).
Under the Material option, you can choose the material used to produce the Effecto Airguns Silencer Adapter. This allows you to select the best balance between strength, finish, and outdoor resilience. Please note that only the PLA and Carbon options feature a non-reflective, stealthy matte finish, while the PETG, ABS, and ASA options have a standard glossy/satin sheen.
π© Product Features
π© Designed for Effecto Airguns (PX-5 series and compatible models)
π― Enables the use of universal 1/2-20 UNF silencers/moderators
π³οΈ 7.8 mm precise internal clearance bore to prevent pellet clipping
π Female thread size: M12 x 1.25
π’οΈ Male thread size: 1/2-20 UNF
π¨ Available in Premium Matte finishes (PLA and Carbon)
βοΈ Available in high-durability outdoor polymers (PETG, ABS, ASA)
πͺΆ Ultra-lightweight design ensures no Point of Impact (POI) shift
π§© Easy to install and thread on by hand
π οΈ Usage Conditions
π§ Hand-tighten onto the barrel thread smoothly
β οΈ Do not overtighten to avoid stripping the 3D-printed threads
π§ͺ Choose material according to your shooting environment (e.g., ASA/ABS for high heat or UV exposure)
π Important Notes
β Compatible with Effecto Airguns and any barrel featuring an M12x1.25 male thread
β Safe for standard airgun calibers (.177, .22, and .25) due to the 7.8 mm inner clearance


We ship all orders from within the European Union and deliver worldwide via registered airmail with signature confirmation upon delivery.
Orders are dispatched within 1β7 business days.
During peak seasons, holidays, or public holidays, dispatch may be delayed by 3β10 additional business days.
Orders are dispatched within 7β10 business days.
In rare cases, processing may take up to 14 additional business days due to seasonal volume.
Recommended for orders up to β¬150.
Includes postal insurance: if the parcel is lost or damaged, the postal service will issue a refund.
What does βPriority Processingβ mean?
Priority orders are processed before standard ones. Please note that this does not guarantee faster postal delivery, as transit times depend on the destination and postal system.
Europe / EU: 3β20 days
Worldwide: 5β30 days
*These estimates are provided by the postal service. Actual delivery times vary by destination and local postal conditions.
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If a parcel is not collected and is returned to the sender, the customer is responsible for all return and reshipping costs.
Reshipment will occur only after these fees are paid.
SGS 3D Design is not responsible for:
Delays caused by postal or courier services
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Local taxes, import duties, or any additional fees charged upon delivery
At our shop, we specialize in precision 3D printing for a wide range of applications. Whether you're repairing, upgrading, or customizing β weβve got you covered. If you canβt find a specific part in our catalog, simply contact us. We may be able to design and manufacture exactly what you need.
Replacement parts for appliances (buttons, knobs, clips, handles)
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β Tailor-Made: Designed to your specifications
β High-Quality Filaments: PLA, PETG, ABS, flexible TPU, and more
β Fast Turnaround: Quick design, prototyping, and shipping
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Send us a sketch, photo, broken part, or just an idea β and weβll do our best to bring it to life.
π Contact us today and turn your ideas into reality with custom 3D printing!Β