8 Umarex Synergis Rapidmag 12 Rounds Magazines of 2026 For Smooth Cycling

1

Umarex Komplete .177 Caliber 12-Shot Airgun Magazine

View on Amazon

• 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

  9.4
• Brand
  Umarex

Key specs2

Platform Compatibility

Engineered strictly for the Umarex Komplete NCR .177 PCP air rifle under item number 2251556. It does not fit break-barrel Synergis receivers.

Chamber Capacity

12 rounds (.177 caliber)

Pros & cons32

Pros

• Dedicated fit for the Umarex Komplete NCR .177 PCP air rifle under item number 2251556
• Generous 12-shot capacity keeps shooting strings moving without frequent manual reloading
• Compact 1.5 by 1.5 inch profile slips easily into shooting bags or range organizers

Cons

• Built specifically for the Komplete PCP rifle and will not chamber in Synergis air rifles
• Packaged as a single unit rather than a multi-magazine bundle for quick bench swaps

2

Umarex Fusion 2 .177 Caliber Pellet Gun Air Rifle Magazine,

View on Amazon

• 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

  9.2
• Brand
  Umarex

Key specs2

Fusion 2 Fitment

Matches part number 2251366 for the Umarex Fusion 2 pellet rifle. This magazine cannot chamber pellets in Synergis or Emerge break-barrel rifles.

Rounds Per Clip

9 rounds (.177 pellets)

Pros & cons32

Pros

• Direct replacement clip engineered specifically for the Umarex Fusion 2 .177 pellet rifle
• Easy to load rotary mechanism speeds up target bench preparation
• Extremely lightweight design weighs just 0.03 pounds for minimal gear bag bulk

Cons

• Limited to 9 rounds compared to the 12-shot capacity of Synergis magazines
• Incompatible with Synergis breeches and restricted to Fusion 2 platforms

3

Umarex .177 Caliber Pellet Air Gun Rotary Magazine (Pack of

View on Amazon

• 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

  9.0
• Brand
  Umarex

Key specs2

Material Construction

German-crafted aluminum

Supported Models

• Walther CP88, CP99, PPQ, and Lever Action Rifle
• Beretta M 92 FS and Colt 1911 A1
• HK P30 and Smith & Wesson M&P 45

Pros & cons32

Pros

• Multi-pack includes three rotary metal cylinders for extended shooting sessions
• Constructed in Germany using aluminum rather than synthetic polymer
• Broad compatibility across select Umarex pellet handguns and lever-action rifles

Cons

• Shallow 8-round wheel design does not function in Synergis magazine breeches
• Restricted to rotary pellet pistols and specific lever-action platforms

4

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

View on Amazon

• 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

  9.0
• Brand
  Umarex

Key specs2

Emerge Compatibility

Built to part number 2251387 for the Umarex Emerge platform. It will not latch or feed inside the Umarex Synergis magazine well.

Magazine Dimensions

4 x 0.75 x 3.25 inches

Pros & cons32

Pros

• Full 12-round rotary capacity allows extended shooting strings without single-pellet loading
• Factory-designed feed housing matched to Umarex Emerge air rifle part number 2251387
• Lightweight 0.05-pound construction adds negligible weight during field transport

Cons

• Engineered strictly for the Emerge magazine housing and will not cycle in Synergis rifles
• Sold as a single magazine rather than a multi-pack bundle

5

Umarex 10-Round .177 Caliber BB Magazine for NXG Compact Pump

View on Amazon

• 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

  8.6
• Brand
  Umarex

Key specs2

Ammunition & Platform

Designed for .177 steel BBs in the Umarex NXG Compact pump-action shotgun (model 2251383). Do not attempt to use in pellet-firing rifles.

Pack Quantity

2 magazines included

Pros & cons32

Pros

• Includes two 10-round magazines for rapid reloading during plinking sessions
• Engineered specifically for the NXG Compact pump-action BB shotgun model 2251383
• Compact profile measures 2 inches high by 0.5 inches deep for quick handling

Cons

• Feeds steel BBs only and cannot be loaded with .177 or .22 caliber lead pellets
• Entirely incompatible with Synergis rotary break-barrel systems

6

Umarex Synergis Pellet Gun Air Rifle RapidMag Rotary 12-Rounds Magazines,

View on Amazon

• 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

  8.4
• Brand
  Umarex

Key specs2

Synergis Match

Official factory replacement matching part number 2251325. Built specifically for the Umarex Synergis breech mechanism to guarantee smooth indexing.

Bundle Configuration

Two 12-round RapidMag rotary magazines

Pros & cons42

Pros

• Factory RapidMag rotary design matches the Umarex Synergis break-barrel receiver
• Full 12-round rotary capacity provides repeater shooting without pausing to hand load
• Convenient two-pack bundle gives you 24 ready rounds for continuous shooting strings
• Matches official part number 2251325 to prevent breech chambering jams

Cons

• Supplies spare magazines only and does not include the air rifle itself
• Specific to the Synergis platform and does not seat inside Komplete or Fusion breeches

7

Umarex Synergis Pellet Gun Air Rifle RapidMag Magazine (2 Pack),

View on Amazon

• 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

  8.4
• Brand
  Umarex

Key specs2

Caliber Verification

Designated under part number 2251326 specifically for .22 caliber Synergis barrels. Verify your rifle caliber before ordering to avoid sizing mismatch.

Rotary Clip Count

Two .22 caliber magazines

Pros & cons32

Pros

• Factory engineered specifically for the .22 caliber Umarex Synergis air rifle
• Includes two RapidMag rotary magazines to keep extra rounds prepped at the bench
• Official part number 2251326 distinguishes this .22 caliber model from .177 clips

Cons

• Sized exclusively for .22 caliber pellets and cannot accept .177 caliber ammunition
• Does not fit alternative Umarex multi-shot models like the Emerge or Fusion

8

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

View on Amazon

• 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

Model Alignment

Matches manufacturer part number 2251381 for the .177 caliber Umarex Emerge rifle. It will not lock properly into a Synergis receiver.

Pellet Capacity

12 rounds (.177 caliber)

Pros & cons32

Pros

• Dedicated 12-round rotary magazine engineered for the Umarex Emerge .177 air rifle
• Cycles .177 pellets smoothly through the Emerge barrel indexing mechanism
• Lightweight 0.05-pound build tucks easily into shooting vest pockets

Cons

• Lacks breech compatibility with the Umarex Synergis rifle despite identical 12-round capacity
• Single magazine pack requires individual purchases to assemble a spare set

Last update on 2026-10-07 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

Does the RapidMag rotary magazine fit the Synergis rifle or the Emerge?

The Umarex Synergis RapidMag rotary magazine fits the Umarex Synergis air rifle and does not fit Emerge models. The Umarex Emerge uses dedicated magazines, including part number 2251381 for .177 caliber and part number 2251387 for .22 caliber. To prevent cycling jams and breech fit problems, confirm that the product blister pack explicitly lists the Synergis rifle rather than an Emerge model.

Is part number 2251325 the correct 12-round magazine for .177 pellets?

Yes, part number 2251325 is the official 12-round RapidMag rotary magazine for the .177 caliber Umarex Synergis air rifle. Each rotary unit holds 12 pellets for continuous shooting sessions without the need to feed single pellets into the breech manually. If you are comparing multi-shot rifles alongside a tactical air rifle, checking the exact part number ensures the magazine aligns with your rifle barrel.

Do Synergis RapidMag replacement magazines come in a two-pack?

Yes, factory Umarex Synergis RapidMag magazines are supplied as a 2-pack. Both the .177 caliber option under part number 2251325 and the .22 caliber option under part number 2251326 ship in two-count packages. Having two rotary clips ready lets you cycle through 24 rounds at the bench before stopping to reload.

How can you distinguish the .177 Synergis magazine from the .22 caliber version?

You can identify the correct version by checking the caliber marking and manufacturer part number on the packaging. Part number 2251325 designates the .177 caliber 12-round Synergis magazine, while part number 2251326 specifies the .22 caliber magazine for the Synergis .22 caliber air rifle. Both packages share dimensions of 5 by 0.75 by 4.75 inches, so verifying the model number prevents ordering the wrong caliber for your bore.

Can you use Umarex Komplete 12-shot magazines in a Synergis rifle?

No, Umarex Komplete magazines will not function in a Synergis air rifle. The Komplete 12-shot magazine is built exclusively for the Umarex Komplete NCR .177 caliber PCP air rifle (item number 2251556) and measures 1.5 by 0.5 by 1.5 inches. The Synergis rifle requires its own RapidMag rotary dimensions to index pellets into the barrel properly.

Will 8-shot rotary pellet clips work in the Synergis air rifle?

No, standard 8-shot rotary magazines are incompatible with the Synergis mechanism. Those silver 8-shot clips fit air pistols and select rifles like the Walther CP88, CP99, PPQ, Beretta M 92 FS, Colt Government Model 1911 A1, HK P30, and the Lever Action Rifle. Shooters who practice with rotary handguns or a CO2 BB gun need to keep those circular clips separate, as the Synergis requires 12-round RapidMag rotary housings.