Lancer Tactical M140 High Quality Piano Wire Steel Spring [~450-550 FPS]

The Lancer Tactical M140 High Quality Piano Wire Steel Spring is engineered for serious airsoft players who demand high velocity and consistent performance from their AEG builds. Constructed from durable piano wire steel, this upgrade spring is designed to withstand repeated use while delivering reliable FPS output in the 450–550 range.

Key Features

• Performance Upgrade: Produces approximately 450–550 FPS (depending on rifle setup and internal parts).

• Piano Wire Steel Construction: High-strength build provides excellent resilience and long service life.

• Consistent Compression: Designed to maintain even tension for reliable FPS consistency across shots.

• Compatibility: Fits most standard AEG gearboxes (Version 2/3 and similar).

• Upgrade Potential: Ideal for sniper DMR builds or high-power field rifles.

Specifications

• Brand: Lancer Tactical

• Model: M140 AEG Spring

• Material: High-quality piano wire steel

• FPS Output: ~450–550 FPS (with 0.20g BBs; results vary by setup)

• Compatibility: Most AEG rifles with V2/V3 gearboxes

• Category: Internal upgrade part

Recommended Uses

• Building high-FPS DMR or sniper platforms

• Upgrading AEG rifles for outdoor/long-range engagements

• Competitive airsoft play requiring extended reach and stopping power