3 Umarex Legends Pm Kgb of 2026 With Exact Factory Fit

1

Umarex Emerge Pellet Gun Air Rifle Magazine, 22 Caliber,Black

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• ARS Mark

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  9.0
• Brand
  Umarex

Key specs2

Magazine Capacity

12 rounds (.22 caliber pellets)

Rifle Compatibility

Built specifically for the Umarex Emerge platform under factory model 2251386, cycling 12 rounds of .22 caliber pellet ammunition.

Pros & cons42

Pros

• 12-round rotary capacity provides extended shooting strings between reloads
• Dedicated fit for the Umarex Emerge receiver under factory part number 2251386
• Lightweight 0.05-pound composite construction adds minimal bulk to the rifle
• Factory replacement part 2251387 ensures proper cycling with .22 caliber pellets

Cons

• Limited strictly to .22 caliber pellets and will not feed .177 ammunition
• Only compatible with Umarex Emerge model 2251386 rather than other Umarex airguns

2

Umarex Emerge Pellet Gun Air Rifle Magazine.177 Caliber, Black

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• ARS Mark

  ARS Mark is a ranking system developed by bestairriflescopes.com. ARS Mark has no relationship or impact from any manufacturers or sales agent websites. Learn more

  7.8
• Brand
  Umarex

Key specs2

Magazine Capacity

12 rounds (.177 caliber pellets)

Platform Verification

• Matches Umarex Emerge .177 air rifle model 2251380
• Designed exclusively for .177 caliber pellets
• Factory replacement under part number 2251381

Pros & cons42

Pros

• 12-round pellet capacity allows continuous firing without single-loading
• Engineered to fit the Umarex Emerge .177 caliber air rifle model 2251380
• Lightweight profile at 0.05 pounds preserves balance on the rifle receiver
• Direct factory part number 2251381 avoids feeding jams in matching chambers

Cons

• Restricted to .177 caliber pellets and cannot accept .22 caliber ammunition
• Incompatible with Umarex Emerge model 2251386 or other rotary airgun receivers

3

Umarex Notos Fiber Optic Adjustable Open Sight Set – Front

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• ARS Mark

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  6.4
• Brand
  Umarex

Key specs2

Sight Adjustability

Windage and elevation adjustable rear

Supported Airguns

Factory-matched to Umarex Notos Gen 2 .22 caliber PCP air rifles under item numbers 2254852 and 2254871, serving as primary or backup iron sights.

Pros & cons42

Pros

• Full front and rear factory sight set for complete open-sight installation
• Rear sight provides both windage and elevation adjustments for point of impact
• High-visibility fiber optic inserts improve sight picture across lighting conditions
• Weighs only 0.03 pounds to prevent front-heavy barrel balance on PCP platforms

Cons

• Built exclusively for Notos Gen 2 models 2254852 and 2254871, not Emerge rifles
• Open sight design lacks magnification for long-range precision target shooting

Last update on 2026-10-11 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

How do you verify whether a replacement magazine matches your specific Umarex air rifle?

Check the exact rifle item number stamped on your receiver before ordering. For example, the Umarex Emerge .177 caliber magazine (part number 2251381) fits rifle model 2251380, while the .22 caliber magazine (part number 2251387) matches rifle model 2251386. Purchasing strictly by brand name without checking the part code often leads to misalignment, feeding jams, and wasted return shipping.

Can you swap .177 and .22 caliber rotary magazines between different Umarex models?

No, magazines are caliber-specific and must match your rifle barrel and feed port. The .177 caliber magazine (part number 2251381) is built exclusively for .177 caliber pellets, while part number 2251387 is engineered for .22 caliber pellets. Mixing calibers can cause pellets to lodge in the mechanism. If you shoot multiple platforms including a CO2 airgun for target plinking, keep your magazines separated by caliber to prevent cycling errors.

Which air rifle models accept the factory fiber optic open sight set?

The Umarex factory fiber optic open sight set (part number 2254851) is built specifically for the Umarex Notos Gen 2 PCP air rifle. It matches rifle item numbers 2254852 and 2254871. Installing this front and rear set on unlisted models can cause loose fits or uneven alignment along the bore axis, so verify your exact rifle item number first.

Are factory open sights for Umarex air rifles adjustable for both windage and elevation?

Yes, the rear sight included in the Umarex Notos Gen 2 set (part number 2254851) adjusts for both windage and elevation. This dual-axis adjustment lets you zero your point of impact directly on the receiver. The front sight pairs with the rear assembly to provide a clear sight picture without requiring aftermarket riser blocks.

What causes rotary pellet magazines to bind or fail to seat in the receiver?

Incompatible magazine part numbers and mixed calibers are the primary causes of binding. While different rotary magazines may share exterior dimensions, such as a height of 4 inches, width of 3.25 inches, and length of 0.75 inches, their internal rotors and indexing teeth differ. Always confirm whether your receiver requires part 2251381 or part 2251387 rather than forcing an unverified unit into the breech.

How do you ensure proper sight alignment when outfitting a precision air rifle?

Confirm that your sights match the mounting dimensions of your exact platform. Factory hardware designed for dedicated receivers, such as the Notos Gen 2, preserves the correct bore centerline. If you are comparing platforms across a tactical air rifle setup, check whether the sight set includes integrated windage and elevation screws or relies on specific dovetail rails before installation.