Specna Arms SAAS Body for AR15 Core/Flex Black










The Specna Arms SAAS Body for AR15 CORE/FLEX Black is a complete receiver set specially developed for the Specna Arms CORE and FLEX series of AR15 AEG replicas. The body is made from nylon fibre-reinforced polymer and combines low weight with high strength. Thanks to its compatibility with the ESA™ Quick Spring Change System, this body is ideal for maintenance, repair or rebuilding a replica.
As part of the Specna Arms Original Spare Parts range, this receiver offers the same quality as the parts fitted to the replicas as standard.
Durable glass-fibre-reinforced construction
The receiver is made from nylon fibre-reinforced polymer, making it capable of withstanding intensive use without adding unnecessary weight to the replica. Its robust construction makes this body suitable both for replacing a damaged receiver and for new custom builds.
The black finish blends seamlessly with the look and feel of the Specna Arms CORE and FLEX platforms.
Compatible with the ESA™ Quick Spring Change System
This body is fully compatible with Specna Arms’ ESA™ Quick Spring Change System. This allows the main spring to be replaced quickly without having to dismantle the entire gearbox, depending on the replica’s configuration.
This makes it easier to adapt the replica to different playing fields or power limits.
Complete receiver with essential components
In addition to the receiver itself, this SAAS Body comes with various parts required for fitting or replacing the body.
The set contains:
- Spring guide
- Fire selector plate
- Trigger pin
- Selector gears
- Rear pin
- Bolt Catch
- Magazine catch
- Charging handle
In addition, the receiver features a functional bolt catch, a double-sided fire selector and a double-sided magazine release, ensuring user-friendly operation.
Practical insights
A complete receiver set is a practical solution when an existing body has been damaged or when a replica is being completely rebuilt from scratch. Thanks to support for the ESA™ system and the parts supplied, assembly can be carried out more efficiently than with individual components. The dual-sided controls are also convenient for both left- and right-handed players.
Who is the Specna Arms SAAS Body suitable for?
The Specna Arms SAAS Body for AR15 CORE/FLEX Black is ideal for airsoft players and gunsmiths looking for an original receiver for maintenance, repair or a custom build. Thanks to its OEM fit and compatibility with the ESA™ system, this body is an excellent choice for Specna Arms CORE and FLEX replicas.
Key features
- Genuine Specna Arms Original Spare Parts component
- SAAS Body for AR15 CORE/FLEX
- Suitable for Specna Arms CORE and FLEX replicas
- Made from glass-fibre-reinforced polymer
- Compatible with the ESA™ Quick Spring Change System
- Functioning Bolt Catch
- Double-sided fire selector
- Double-sided warehouse release
- Includes a jumping guide
- Includes fire selector plate
- Includes trigger pin
- Includes selector gears
- Includes rear pin
- Includes bolt catch
- Includes magazine catch
- Includes charging handle
- Colour: Black
- Weight: approximately 425 grams
Common mistakes
- Please check in advance whether your replica is from the Specna Arms CORE or FLEX series, to ensure compatibility.
- During assembly, check that all internal components are correctly fitted and adjusted to ensure optimum performance.
Frequently Asked Questions
Which replicas is this body suitable for?
This body is designed for Specna Arms AR15 CORE and FLEX replicas.
What material is the receiver made of?
The body is made from nylon fibre-reinforced polymer.
Does this body support the ESA™ system?
Yes. The receiver is compatible with the ESA™ Quick Spring Change System.
Which parts are included?
The set includes, amongst other things, a spring guide, fire selector plate, trigger pin, selector gears, rear pin, bolt catch, magazine catch and charging handle.
Is this an original Specna Arms part?
Yes. This is an original part from the Specna Arms Original Spare Parts range.
Restore or rebuild your replica using the Specna Arms SAAS Body for AR15 CORE/FLEX Black and benefit from a complete OEM receiver with a durable construction and support for the ESA™ Quick Spring Change System.

Product specifications
- Article number
- SPE-09-046732
- Weight unpackaged
- 425 gr
- Brand
- Specna Arms
- Type
- SAAS Body for AR15 Core/Flex Black
- Complete receiver set including essential parts.
- Glass-fibre-reinforced polymer for low weight and high strength.
- Compatible with the ESA™ Quick Spring Change System.
- Double-sided controls (fire selector and magazine release).
- Suitable only for Specna Arms CORE and FLEX AR15 replicas.
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