Description
The North American Arms Black Widow BWMA is the stainless 22 Magnum Black Widow fitted with an adjustable Marble Arms rear sight. It has a 2 inch heavy vent barrel, a five-shot bull cylinder and an oversized black rubber grip, and it is the Black Widow to choose if you want to set your sights for a specific load.

North American Arms Black Widow BWMA Overview
NAA says its Black Widow evolved from the 22 Magnum mini frame, adding a heavy vent barrel, a bull cylinder, oversized black rubber grips with the Black Widow logo and Marble Arms sights. Our store title lists this as the adjustable-sight (AS) model, and NAA’s catalog matches this UPC to NAA-BWMA. NAA’s spec table for this item currently repeats figures that look copied from a convertible model (7.88 inch length and 10.8 ounces, with 22 LR listed), so we rely on the standard Black Widow figures of about 5.88 inches and 8.9 ounces until NAA corrects it.
Why Adjustable Sights
Every load hits a little differently, and with fixed sights you have to find ammunition that matches them. The adjustable Marble Arms rear sight on this model can be moved for elevation, so you can zero it for your preferred 22 WMR load. It sits a bit taller than the fixed low-profile sight and is more likely to catch on clothing, so it suits belt carry better than pocket carry.

Zeroing It
Start at 7 to 10 yards from a rest, fire a group, and adjust the rear sight in small steps until the group centers vertically. Write down the load and the setting. If you later change ammunition, check the zero again, since bullet weight and velocity both shift point of impact.
Black Widow Shootability
With a 2 inch barrel, full grip and nearly nine ounces of steel, the Black Widow is far easier to shoot than the pocket minis. The bull cylinder adds weight up front, which helps keep the muzzle down. It is still a single action, so you cock the hammer for every shot, but many owners find it accurate enough for small targets and pests at modest distances.

22 Magnum Realities
The 22 WMR gives more energy than 22 LR, but from a 2 inch barrel it is loud with a bright flash. Ammunition is more expensive and sometimes harder to find than 22 LR. If you want cheaper practice, NAA also makes a convertible Black Widow with an additional 22 LR cylinder.
Safe Carry
Load by removing the cylinder, then lower the hammer into one of the half notches between chambers. Do not carry with the hammer resting on a rim. Use a holster that fully covers the spur trigger and leaves room for the taller adjustable rear sight.
State Laws and Ownership
Ownership rules differ from state to state. Some states maintain approved handgun lists, and a model that is legal to own may still not be legal for a dealer to sell there, so confirm with your receiving dealer first. Permit-to-purchase states such as New York, New Jersey and Massachusetts add paperwork and wait times. Pocket carry needs a concealed carry license in many places, and some cities add their own restrictions.
Specifications
- Manufacturer: North American Arms, Provo, Utah
- Model: Black Widow, NAA-BWMA
- UPC: 744253000454
- Caliber: 22 WMR (22 Magnum)
- Action: Single action
- Capacity: 5 rounds
- Barrel: 2 in. heavy vent
- Overall length: about 5.88 in. (standard Black Widow)
- Weight: about 8.9 oz (standard Black Widow)
- Finish: Stainless steel
- Grip: Oversized black rubber, Black Widow logo
- Sights: Marble Arms adjustable rear
Before You Buy
Federal law requires handgun purchasers to be at least 21 years old to buy from a licensed dealer. This revolver ships to your local FFL, where you complete the transfer paperwork and background check before taking it home.
Who It Is For
The North American Arms Black Widow BWMA is a great fit for shooters who want to zero their revolver for a specific 22 Magnum load, small game and pest control on rural property, and NAA owners looking for the most accurate Black Widow configuration.
Buy the North American Arms Black Widow BWMA at MAG5 Firearms
MAG5 Firearms is a family-owned FFL in Collegeville, Pennsylvania. Order the North American Arms Black Widow BWMA online and ship it to your local FFL dealer, or browse our full selection of firearms for more revolvers. For factory details, visit North American Arms.








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