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Glock 21 Gen3 SF & 4 .45ACP Stripped Pistol Handgun

The pistol uses a short recoil operation and features a 7-round magazine, though modern variants often hold more. Its weight and recoil are notable, but so is the precision in capable hands.

$2599/$2999

Secure your product for just $259 down

The deposit is fully refundable, and you can cancel it at any time

Saving an extra $150 off the final price at launch

Unlock an exclusive Super Early Bird discount with your deposit

Plus, receive a mystery accessory gift pack

A special bonus valued for dedicated backers who act fast.

Official release goes live on June 1st

Mark your calendar for launch day.

Bulk shipping begins November 1st

Your order will be among the first to ship

302 in stock

Free Delivery

Free Returns

30-Day Money-back Guarantee

Two-year Warranty

Social Sharing

Free Delivery

Free Returns

30-Day Money-back Guarantee

Two-year Warranty

Up to 90% (42°) Slopes

4WD with Adaptive Suspension

Agile, Turf-Friendly Turns

Independent Wheel-Drive Steering


Built for Real Terrain

Adaptive Suspension


Wire-Free Stable Navigation

CyberNav™ Fusion Navigation


All Mowing, One App

15-Acre Mapping. Unlimited Zones.


Smart Obstacle Avoidance

Quad AI Vision System


Two Blade Options

16.5″ High-Performance Cutting Deck

Two Blade Options

16.5″ High-Performance Cutting Deck


Up to 6 Hours per Charge

Expandable Battery System

Superior Terrain Handling

Conquer steep slopes and uneven terrain with smooth,
turf-friendly control.

Precision Meets Autonomy

Effortless Lawn Care, Done Right

Intelligent Obstacle Avoidance
AI-powered QuadVision recognizes 200+ objects — people, pets, toys, furniture and more — ensuring precise, interruption-free mowing.

Smart Seamless Navigation

Precise positioning and intelligent obstacle avoidance deliver an effortless
mowing experience with no boundary wires.

Pro-Grade Cutting Performance

16.5″ dual-disc cutting deck delivers clean cuts, broad stripes, and sharp edges—on any grass.

2 Acres (8000 m2)

Daily Coverage

1-4″ (25-100 mm)

Cutting Height

16.5″ (420 mm)

Cutting Width

One Acre. One Charge.

Finish large lawns in a single run without stopping.

Standard Battery

Max Coverage per Charge

Max Runtime

Charging Time

Extra Battery

Max Coverage per Charge

Max Runtime

Charging Time

Complete Control—Safe and Secure.

Manage every aspect of your mower, protect it, and stay in command from anywhere.

Social Media Posts

Your lawn on autopilot, your weekend on your terms. 

Mowing Specs

CUTTING SYSTEM

TRAVERSE SYSTEM

SMART FEATURES

BATTERY SYSTEM

GENERAL INFO

Your questions answered

Common questions

Product Overview & Core Technology

Our AWD system is engineered specifically for large estates. Its core advantage is superior traction and terrain mastery.  

 Whether tackling steep slopes (up to 35°), wet grass, uneven ground, or complex landscapes, the synchronized four-wheel drive delivers powerful, stable propulsion to prevent wheel spin and getting stuck. 

This ensures consistent, efficient mowing with complete coverage and no missed spots.

We utilize high-efficiency motors and an intelligent power distribution algorithm. On flat, simple terrain, the system optimizes output for battery savings. 

AWD power is only boosted when resistance or a slope is detected. Paired with a high-capacity lithium-ion battery and smart charging strategies, a single charge can cover very large areas (e.g., 1-2 acres)

Please refer to your specific model’s page for exact runtime.

We combine AWD Power + Intelligent Navigation for maximum results:

  • Power Assurance: AWD ensures the mower keeps moving on any terrain without wasting time or skipping areas due to slippage.

  • Smart Navigation: Using GPS-assisted navigation (like RTK) or multi-sensor fusion, the robot maps your yard and executes an optimal systematic pattern (strip or spiral), drastically reducing overlap and blind spots. This makes it significantly more efficient than random-path mowers.

Core components, including the drive modules, are rated IPX6 or higher for water and dust resistance, allowing operation in rain and during garden watering. 

The chassis and key structural parts are made from impact-resistant materials. For cleaning, you can rinse the undercarriage with a garden hose (avoid high-pressure jets directly on the body).

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