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Contact Our StoreMagtech .357 Magnum 158gr Lead Flat Nose (LFN) is factory-loaded centrefire ammunition designed for compatible firearms chambered in .357 Magnum. Identified by manufacturer product code 357L, it features a 158-grain lead flat-nose projectile, brass cartridge case and small magnum pistol primer.
Magtech identifies this cartridge primarily with Cowboy Action Shooting, a sporting discipline that uses traditional-style firearms in organised competition. The .357 Magnum cartridge is commonly associated with compatible revolvers and lever-action rifles.
Each original factory box contains 50 rounds. Magtech publishes a muzzle velocity of 1,085 fps (330m/s) and muzzle energy of 413 ft-lbs (558J), measured using its specified 4-inch test barrel. Actual performance may vary depending on firearm configuration and environmental conditions.
Calibre: .357 Magnum
Projectile Weight: 158gr (approximately 10.24g)
Projectile Type: Lead Flat Nose (LFN)
Manufacturer Product Code: 357L
Case Material: Brass
Primer: Small Magnum Pistol Primer 5½
Ballistic Coefficient: 0.172
Primary Sporting Application: Cowboy Action Shooting
Published Muzzle Velocity: 1,085 fps (330m/s)
Published Muzzle Energy: 413 ft-lbs (558J)
Factory Packaging: 50 rounds per box
Always verify firearm chambering and manufacturer ammunition requirements before use.
What is Magtech .357 Magnum 158gr LFN ammunition?
Magtech .357 Magnum 158gr LFN is factory-loaded centrefire ammunition featuring a 158-grain lead flat-nose projectile, brass cartridge case and manufacturer product code 357L. Magtech identifies Cowboy Action Shooting as its primary sporting application.
What is the muzzle velocity of Magtech 357L ammunition?
Magtech publishes a muzzle velocity of 1,085 fps (330m/s) and muzzle energy of 413 ft-lbs (558J), measured using its specified 4-inch test barrel.
How many rounds are in a box of Magtech .357 Magnum 158gr LFN?
Magtech supplies product code 357L in original factory boxes containing 50 rounds. The manufacturer specifies 1,000 rounds per outer carton, equivalent to 20 factory boxes.
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Our Townsville store can assist with product identification, general specifications, compatibility enquiries and applicable licensing requirements.
Outdoor Man Australia is a Townsville-based hunting and sporting-shooting retailer providing product information about Magtech .357 Magnum 158gr Lead Flat Nose ammunition and related sporting-shooting equipment.
Customers researching Magtech 357L, .357 Magnum 158-grain LFN ammunition, Cowboy Action Shooting cartridges and manufacturer ballistic specifications in Townsville, North Queensland and across Australia can review technical details through our ammunition catalogue.
Our Townsville store provides product information and stock enquiries, subject to applicable Queensland firearms licensing and ammunition requirements.
Brand: Magtech Ammunition
Manufacturer Product Code: 357L
Product Type: Factory-Loaded Centrefire Ammunition
Calibre: .357 Magnum
Alternative Calibre Designation: .357 Mag
Projectile Weight: 158gr (approximately 10.24g)
Projectile Type: Lead Flat Nose (LFN)
Case Material: Brass
Primer: Small Magnum Pistol Primer 5½
Ballistic Coefficient: 0.172
Primary Sporting Application: Cowboy Action Shooting
Firearm Compatibility: Suitable Firearms Chambered for .357 Magnum
Published Muzzle Velocity: 1,085 fps (330m/s)
Published Muzzle Energy: 413 ft-lbs (558J)
Velocity at 50m: 306m/s
Energy at 50m: 480J
Velocity at 100m: 288m/s
Energy at 100m: 425J
Manufacturer Test Barrel Length: 4 inches (approximately 10.2cm)
Factory Box Quantity: 50 rounds
Manufacturer Outer Carton Quantity: 1,000 rounds
Outer Carton Configuration: 20 × 50-round factory boxes
Manufacturer: Magtech Ammunition
What calibre is Magtech 357L ammunition?
Magtech 357L is chambered in .357 Magnum, also written as .357 Mag.
What does 158gr mean?
The designation 158gr refers to a projectile weight of 158 grains, approximately 10.24 grams.
What does LFN stand for?
LFN means Lead Flat Nose, describing the projectile's material and flat-nose profile.
What is the manufacturer product code?
The Magtech manufacturer product code is 357L.
How many rounds are in a factory box?
Each original Magtech 357L factory box contains 50 rounds.
What is the manufacturer's outer carton quantity?
Magtech specifies 1,000 rounds per outer carton, equivalent to 20 factory boxes of 50 rounds.
What is Magtech .357 Magnum 158gr LFN primarily used for?
Magtech identifies Cowboy Action Shooting as its primary sporting application.
Is this ammunition compatible with lever-action rifles?
Magtech identifies compatible lever-action rifles among the intended firearm types. Always confirm the firearm is chambered for .357 Magnum and meets the manufacturer's ammunition requirements.
Is it suitable for revolvers?
It is intended for compatible firearms chambered in .357 Magnum, including suitable single-action revolvers. Firearm-specific requirements must always be checked.
What primer does Magtech 357L use?
The manufacturer specifies a Small Magnum Pistol Primer 5½.
What is the published muzzle velocity?
Magtech publishes 1,085 fps (330m/s) from its specified 4-inch test barrel.
What is the published muzzle energy?
The manufacturer specifies 413 ft-lbs (558J) at the muzzle.
Does Magtech 357L use brass cases?
Yes. The manufacturer specifies brass cartridge cases.
How should .357 Magnum ammunition be stored?
Store ammunition securely in accordance with applicable Queensland requirements and manufacturer instructions, away from excessive heat, moisture and unauthorised access.
Available for in-store enquiries only – not available for online purchase.
This product is displayed on the Outdoor Man Australia website for information purposes only.
For current stock availability and product information, please contact our Townsville store.
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