SI Style FSA Single Folding Stock
SI Style FSA Single Folding Stock
SKU:KN0021
En stock
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SI Style FAS Single Folding Stock
The FSA Single Folding Stock is a lightweight and compact stock system designed for modern platforms utilizing a 1913 Picatinny rear interface. Built around a reinforced folding mechanism and rigid aluminum structure, it offers an excellent balance between strength, reduced weight, and practical usability.
The design focuses on fast deployment and a stable locking interface while maintaining a streamlined appearance suitable for modern rifle and PDW-style builds.
Design & Function
The folding mechanism allows the stock to be folded to the side at any time without requiring additional hinge reconfiguration or secondary release controls.
Once deployed, the locking system provides a highly secure interface with minimal movement, resulting in a stable and confident shooting experience.
Key Features
- Strong and secure locking system for stable deployment
- Rapid deployment capability for quick transition between folded and operating positions
- Direct Picatinny mounting interface using M5 screw and locking plate
- Two integrated QD sling attachment points
- Single-side folding design with no additional hinge adjustments required
- Compatible with FSA cheek riser accessories
- Compact transport profile while maintaining comfortable operating length
Material & Construction
- Picatinny folding mount: Steel
- Main stock body: Aluminum
- Cheek riser: Polymer
- Stock end piece: Polymer
Reinforced steel components are used in high-stress areas while lightweight materials help keep the overall setup balanced.
Dimensions
| Operating Position Length Added | 219.9mm |
|---|---|
| Folded Position Length Added | 20.30mm |
| Mounting Interface | 1913 Picatinny Rail |
Package Contents
- 1x SI Style SFA Single Folding Stock
- 1x Additional comfort stock end piece with rubber buttpad
Compatibility
- Compatible with all standard 1913 Picatinny rear stock interfaces
- Compatible with FSA cheek riser accessories
- Suitable for modern PDW, AR-style, and compact rifle builds
Why Choose This Stock?
The SFA Single Folding Stock combines a compact footprint with a rigid locking system and modern functionality. Whether used on compact PDW configurations or lightweight rifle builds, it offers a clean and practical solution without unnecessary complexity.
Package Disclaimer
This product is intended for airsoft and training use only. Minor fitment variation may occur depending on receiver tolerances and platform specifications.
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We are the Gap Filler
Where mainstream production stops, Clutch Precision begins — engineering the missing pieces for true enthusiasts.
FAQs
Quality Standard
Product Characteristics & Cosmetic Standards
Our products are manufactured using precision machining and industrial finishing processes. As a result, minor cosmetic characteristics may be present, including but not limited to light machining marks, tool traces, finish variations, minor surface marks, slight discoloration, or light surface oxidation where applicable.
In mechanical systems, slight movement, wobble, or play between components may occur due to designed tolerances and does not affect function or performance.
These characteristics are purely cosmetic or tolerance-related, fall within normal manufacturing standards of the airsoft industry, and do not constitute a product defect.
Returns or warranty claims based solely on such cosmetic or tolerance-related characteristics may therefore be declined in accordance with our return policy.
Light surface oxidation (rust), where applicable, is a normal material property and can typically be removed through routine maintenance (e.g., WD-40 and a soft brush).
This notice does not limit any statutory consumer rights.
Support
We take every piece of feedback seriously – but only if it actually reaches us.
Customers who contact us directly will always receive full support: replacement, additional shipment, or refund, handled promptly and without complications.
What we cannot do is monitor complaints posted in Discord servers, forums, or YouTube comments. In those places we see no order number, no details, and therefore we cannot provide a real solution.
Shipping
We aim to ensure fast and reliable delivery to all our customers, whether you’re in the EU or elsewhere in the world.
Shipping is either from our Latvian or Asian warehouse, according to the inventory availability
We will always pick the best lane for your country/area. The average delivery time to EU and UK is 7-14 days, to USA and Canada is 14-21 days, South Korea, Thailand and Japan 5-14 days.
Return & Cancellation
- Orders not yet dispatched can be canceled free of charge.
- EU customers are eligible to initiate return process within 14 days upon the delivery of the parcel. No return accepted from countries and regions outside of the EU
- Returned items must be in absolutely resealable condition, otherwise we have the right to refuse the return or reduce the refund amount
- If the return is not caused by our own mistakes, customers are always to bear the return cost
- Refusing delivery of a shipment, failing to collect a parcel, or providing incorrect or incomplete shipping information does not constitute a valid withdrawal.