CNC steel bolt carrier with Magnetic NPAS loading nozzle for WE V3 GBB SCAR L

Precisely manufactured steel bolt carrier with a magnetic NPAS loading nozzle from the renowned manufacturer RA-Tech represents the ultimate upgrade for WE SCAR L series gas blowback rifles.

Unlike the standard bolt carrier, which is made from zinc-aluminum alloy, this part is fully CNC-machined from a single block of steel.

A major advantage of this model is the patented RA-Tech Magnetic Locking NPAS system, which allows muzzle velocity adjustment without the need to replace internal parts. This makes it easy to adapt performance to specific field limits, gas types, or weather conditions. The design also contributes to more stable muzzle velocity, improved BB feeding, and lower gas consumption.

The loading nozzle, made from a durable composite material, helps reduce system freezing during rapid fire and supports smoother bolt cycling. Combined with the steel bolt carrier, this creates a highly balanced upgrade offering excellent durability, consistent performance, and reliable operation.

The parts directly replace the factory components and are fully compatible with the modern Open Bolt system.

• Maximum durability: Thanks to the steel construction, the risk of cracking or excessive wear in high-stress areas is virtually eliminated.
• Realistic recoil: The increased weight of the steel bolt carrier significantly enhances recoil impulse during firing, delivering a much more realistic shooting experience.
• Precision machining: CNC manufacturing ensures smoother movement inside the receiver and minimizes tolerances, resulting in more consistent performance.
• Improved freezing resistance: Enhanced nozzle design and material selection help reduce system freezing and maintain reliable cycling during rapid fire.
• More consistent muzzle velocity: A more stable internal mechanism helps maintain steadier FPS output with every shot.
• Adjustable muzzle velocity: The patented magnetic NPAS system allows easy power adjustment according to field limits or current conditions.

Due to the increased weight of the steel bolt carrier, we recommend:

• Using stronger propellant gas (such as higher-pressure Green Gas or Red Gas) to maintain fast and reliable cycling.
• Regularly lubricating contact surfaces with high-quality grease containing PTFE (Teflon).
• For optimal functionality, combine with a steel charging handle linkage (SKU 16971) to prevent uneven material wear.