The caliber 5.5mm or .22, Use and effectiveness

The caliber 5.5mm or .22, Use and effectiveness

We have talked many times about the types of calibers used in compressed air rifles, we are going to review again the characteristics of each caliber to choose the best one to use.

Obviously, the rifle that we have at first hand can only have one caliber, they still don’t make rifles with adjustable caliber, so we must be very careful when choosing the rifle, and as we have indicated previously, the caliber to be used determines to a large extent which one to use. It is the air rifle that we are finally going to buy.

It is the most versatile caliber. It can be used both for the removal of small parasites (where allowed) and for precision. The 5.5mm caliber pellet has a hard impact transmitting more energy on impact than the 4.5mm caliber.

Even for competitions that allow it, the 5.5mm caliber is also ideal for precision with high-performance and powerful air rifles. A more precise and exact line of fire is achieved when used with very powerful carbines.

Beeman PCP Underlever Air Rifle, Multi, one Size (1358)

$270.53  in stock
6 new from $268.78
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as of January 25, 2023 10:06 pm


  • PCP Underlever Air Rifle
  • Beeman 1358
  • Underlever Air Rifle
  • Item Package Weight: 1.0 pounds

Umarex Hammer .50 Caliber PCP Pellet Gun Air Rifle

$851.61  in stock
8 new from $849.99
1 used from $769.99
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as of January 25, 2023 10:06 pm


  • The most powerful production air rifle on the planet; Dumps a ton of energy into its target instead of carrying the energy with it through the target
  • One full tank delivers 4 full power regulated shots + 1 finishing shot (4 shots total)
  • Ultralight 4500 psi, 24 cubic inch carbon fiber air tank; Modern stock design with M-LOK locations for accessory mounting and a Picatinny rail for optics mounting
  • Very quiet shooting; Includes two 2-shot linear mags; Straight pull bolt with a 2-pound pull weight and 2 inches of travel; Two safeties: mag lock-out (won't fire without mag) and trigger block safety
  • Shoots .50 caliber pellets at up to 1130 fps

Umarex Origin PCP .25 Caliber Pellet Gun Air Rifle

$301.62  in stock
5 new from $301.62
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as of January 25, 2023 10:06 pm


  • A truly unique PCP that cuts pumping down by half so you can do more shooting
  • Ever Pressure Tank System makes it possible to fill the air cylinder with fewer pumps; To completely fill the tank it only requires about 100 pumps from a hand pump, half of the pumps required of comparable PCP rifles with a similar air cylinder volume
  • A side-mounted cocking lever makes for smooth operation and included 8-shot auto-indexing rotary magazine that share its design with the Umarex Gauntlet magazine
  • Combination optic rail accepts 11mm or Picatinny rings, making it easy to mount up your favorite optic
  • Shoots .25 caliber pellets at up to 950 fps

Benjamin Armada BTAP25 PCP-Powered .25-Caliber Pellet Hunting And Target Air Rifle

$591.28  in stock
8 new from $591.28
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as of January 25, 2023 10:06 pm


  • PCP-POWERED . 25-CALIBER AIR GUN – Great for target shooting and medium-sized game hunting
  • REVERSIBLE BOLT-ACTION – For right and left-handed sportsmen
  • MODULAR DESIGN WITH RIFLED BARREL – Quiet and versatile with on-board air pressure gauge
  • 8-ROUND ROTARY CLIP MAGAZINE – Multi-shot capable, delivers speeds up to 900 fps
  • MACHINED RECEIVER AND 5-INCH PICATINNY RAIL – Add your favorite accessories

Benjamin Kratos BPK22W .22-Caliber PCP-Powered Multi-Shot Side Lever Hunting Air Rifle, Brown

$581.65  in stock
11 new from $581.65
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as of January 25, 2023 10:06 pm


  • PCP-POWERED .22-CALIBER AIR RIFLE - From the Craftsman Collection by Benjamin
  • TURKISH WALNUT STOCK - Balanced, adjustable cheek piece
  • RIFLED STEEL BARREL - Shrouded, with integrated sound suppression
  • UP TO 60 SHOTS PER FILL AT 3000 PSI - Delivers pellets up to 1000 fps with 32 fpe
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