Description
The Mauser M20 22 LR Pistol Black is a full size semi-automatic .22 LR handgun with a 4 inch steel barrel, a serrated slide, a hammer decocker and an aluminum frame with a Picatinny rail. This listing is UPC 689585855757, Mauser model 401.01.01. It holds 10+1 rounds.

Mauser M20 22 LR Pistol Black Overview
The M20 is styled like a modern hammer-fired duty pistol, so it is a natural training partner for anyone who carries or competes with a centerfire handgun of the same layout. It runs on cheap 22 LR, which makes long practice sessions affordable.
Decocker and Controls
The hammer decocker lets you safely lower the hammer after loading, the same way many centerfire service pistols work. Sports South lists the controls as ambidextrous, which helps left handed shooters. Learn the controls with an empty pistol before your first trip to the range.
Accessory Rail
The frame has a Picatinny accessory rail for a weapon light or laser, so you can practice with the same setup you use on a centerfire pistol. Light weight 22 LR recoil will not shake a quality light loose.
Barrel and Slide
The 4 inch steel barrel keeps the pistol balanced and easy to point. Front and rear slide serrations give a good grip when you load, clear or check the chamber.
Grip
The black molded grip is textured and shaped to fill the hand, and it gives a steady hold even with sweaty hands on a hot range day.
Why Shoot a Rimfire
A rimfire is the best tool there is for building skill. Low recoil and a quiet report let you focus on trigger control and follow through, and the low cost per round means you can practice often. Many experienced shooters keep a rimfire next to their centerfire guns for exactly that reason, and it is a great way to bring a new shooter into the sport.
Choosing Ammunition
Most rimfire semi-autos run best on high velocity round nose 22 LR, usually 36 to 40 grain loads. Try a few brands, because reliability and accuracy can change from one load to the next. Bulk packs keep practice cheap, which is the whole point of a rimfire.
Cleaning and Care
Rimfire ammunition burns dirty, so clean the breech face, chamber and extractor every few hundred rounds. A light coat of oil on moving parts is all most owners need. Store the pistol unloaded in a locked safe or case, with magazines and ammunition kept separate.
State Laws
Some states limit magazine capacity or certain features even on rimfire firearms. Check your state and local laws before you order. Pennsylvania buyers can transfer at our Collegeville shop or at any FFL.
Specifications
- Manufacturer: Mauser, imported by Blue Line
- Model: M20 (401.01.01)
- UPC: 689585855757
- Caliber: .22 LR
- Type: Semi-automatic pistol, hammer decocker
- Capacity: 10+1
- Barrel: 4 in. black steel
- Slide: Black, serrated
- Frame: Black aluminum with Picatinny rail
- Grip: Black molded
- Controls: Ambidextrous, per Sports South
Before You Buy
Federal law requires this pistol to ship to a licensed FFL dealer for transfer, and you must pass a background check. Our original store title listed a 4.7 inch barrel, while Sports South lists 4 inches for this UPC, so call us if barrel length matters to you. Rimfire pistols can be picky about ammunition, so try a few high velocity loads to find the one yours runs best with.
Who It Is For
The Mauser M20 22 LR Pistol Black is a great fit for shooters who want a full size, duty style 22 LR pistol for affordable training and plinking.
Buy the Mauser M20 22 LR Pistol Black at MAG5 Firearms
MAG5 Firearms is a family-owned FFL in Collegeville, Pennsylvania. Order the Mauser M20 22 LR Pistol Black online and ship it to your local FFL dealer, or browse our full selection of firearms for more rimfire firearms. For factory details, visit Mauser.







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