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L403A1 / KS-1 GBBR

VFC L403A1 / KS-1 GBBR specifications, including its EVO AR gas system, TDC hop adjustment and VFC magazine pattern. Compare this airsoft rifle with alternatives.

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Specifications

Last known UK retail price
£730.00 (BZ Tactical)
Manufacturer
VFC
Power source
Gas Blowback
Magazine pattern
VFC M4 / HK416 GBBR
Hop style
TDC
Rail interface
M-LOK, Picatinny / 20mm
SKU / product code
VFC-L403A1-TN31
Weight
2800 g
Length
790–870 mm
Inner barrel
330 mm
Published FPS
UK retailer lists approximately 350 FPS / 100 m/s depending on listing section and configuration
Magazine capacity
30 BBs

Product information

The VFC L403A1 / KS-1 GBBR is a Gas Blowback airsoft assault rifle built around the KAC KS-1 / VFC EVO AR GBB platform. Published catalogue specifications include a 330 mm inner barrel and a 30-round magazine.

Key configuration details include VFC EVO AR gas blowback system; hop-up: TDC adjustable; fire modes: Safe / Semi / Full Auto. Performance reference: UK retailer lists approximately 350 FPS / 100 m/s depending on listing section and configuration.

At a glance

  • Inner barrel: 330 mm
  • Included/reference magazine: 30 BBs
  • Magazine pattern: VFC M4 / HK416 GBBR
  • Hop-up: TDC adjustable
  • Gearbox: VFC EVO AR gas blowback system
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FPS / Joule calculatorUse your chrono reading and BB weight

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Compatibility explorerMagazines, battery and attachment interfaces
Magazine pattern
VFC M4 / HK416 GBBR
Rail interface
M-LOK · Picatinny / 20mm

Magazine notes

Uses the VFC EVO AR / M4-family gas magazine system.

A shared pattern or interface helps narrow your search; it does not guarantee fit across every brand or revision. Follow model-specific notes.

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Live offers

Checked 7 Nov 2026, 23:00
BZ TacticalIn stock
£730.00
VFC KAC L403A1 KS-1 Gas Blowback Rifle - Tan
UK retailer · verified against the exact mapped product page.
View at BZ Tactical

Patrol Base, BZ Tactical and Defcon are independently checked through dedicated retailer adapters. Availability is never guessed from generic page content.

Tracked UK retailer prices

Price history

Recorded selling prices, including out-of-stock listings. Delivery costs are excluded.

Recorded checks are listed below. Enable JavaScript to explore the graph.

Latest recorded checks
Latest ten observations per retailer
RetailerCheckedPriceAvailability
BZ Tactical7 Nov 2026, 23:00 GMT£730.00In stock
BZ Tactical7 Nov 2026, 04:20 GMT£730.00In stock
BZ Tactical6 Nov 2026, 03:20 GMT£730.00In stock
BZ Tactical5 Nov 2026, 02:20 GMT£730.00In stock
BZ Tactical4 Nov 2026, 02:00 GMT£730.00In stock
BZ Tactical3 Nov 2026, 01:20 GMT£730.00In stock
BZ Tactical2 Nov 2026, 00:19 GMT£730.00In stock
BZ Tactical1 Nov 2026, 05:30 GMT£730.00In stock
BZ Tactical31 Oct 2026, 04:49 GMT£730.00In stock
BZ Tactical30 Oct 2026, 03:50 GMT£730.00In stock

Prices are observations from successful checks, not a guarantee of today’s price. Gaps over 36 hours are left unconnected. Older records may contain changes only; daily observations begin with this update.

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