The RWS .22 LR Z Long (Z Lang) is a low-noise, reduced-charge rimfire cartridge engineered for close-range pest control and quiet target practice. Featuring a 29.3-grain Lead Round Nose (LRN) projectile loaded into a standard-length .22 LR casing, this round delivers reliable feeding from standard bolt-action and manual-action magazines without the chambering issues associated with shorter CB caps. Operating at a muzzle velocity of 235 m/s and generating 52 Joules of muzzle energy, it produces a minimal sound signature and negligible recoil, making it suitable for noise-sensitive environments.

Key Features

• Ultra-Low Noise Discharge: Utilises a reduced propellant charge that significantly dampens the report and muzzle blast compared to standard .22 LR loads.
• Full-Length .22 LR Brass: Built with standard casing dimensions to ensure consistent feeding and extraction in manual-action platforms.
• Lightweight Solid Projectile: Features a 29.3-grain (1.90 g) solid lead round nose bullet designed for short-range flight stability.
• Minimal Recoil: Delivers smooth, low-impact shooting suited for indoor ranges and small-property pest dispatch.

Specifications

• Calibre: .22 Long Rifle (.22 LR)
• Bullet Type: Lead Round Nose (LRN)
• Bullet Weight: 29.3 grains (1.90 g)
• Muzzle Velocity: 235 m/s (approx. 770 fps)
• Muzzle Energy: 52 Joules (approx. 38 ft-lbs)
• Optimal Working Range: 10 m to 25 m
• Package Quantity: 50 rounds per box
• Firearms Category (Australia): Category A rimfire ammunition

Who is the RWS .22 LR Z Long for?

• Noise-sensitive rural property owners — managing rats, mice, and feral pigeons near barns or chicken coops benefit from this sub-sonic rimfire ammunition, which limits muzzle energy to 52 Joules to minimise ricochet hazards and reduce noise disturbance around livestock.
• Indoor and quiet-zone target shooters — using manual-action rifles require a low-velocity sub-sonic rimfire cartridge travelling at 235 m/s to ensure extremely low recoil and a suppressed acoustic report at distances between 10 m and 25 m.

Less suitable for: Target shooting or vermin control beyond 30 to 50 metres, where low velocity causes steep bullet drop (use standard-velocity or high-velocity .22 LR ammunition instead); semi-automatic rifles requiring higher chamber pressure to cycle the action (use standard-velocity cycling rounds instead); or game larger than small vermin requiring expanding hollow-point projectiles for humane dispatch.