Aguila Super Colibri .22LR 20 Grain Lead Solid Point ULTRA SUBSONIC – 50 Rounds (Box)

Aguila Super Colibri .22LR is one of the most unusual boxes we stock, and for good reason. It is an ultra subsonic 20 grain lead solid point load that is quieter than almost anything else you can chamber in a rimfire. Each box holds 50 rounds in brass cases.

Most .22 ammunition is built for velocity. This one is built for exactly the opposite, and that inversion is what makes it genuinely useful to a specific kind of shooter.

What Aguila Super Colibri Is and Who Needs It

This is a close range, low noise, low energy round. The 20 grain bullet is half the weight of a standard .22 projectile and it leaves the muzzle at a fraction of normal speed, which is where the ultra subsonic designation comes from.

Backyard pest control on small property, garage practice into a proper trap, and quiet dispatch work at very close range are the classic uses. Where a standard .22 would be far too loud and far too energetic, Aguila Super Colibri fits neatly.

It is also a real training tool. The near absence of report and recoil lets a nervous new shooter learn sight picture and trigger control without developing a flinch, which is a difficult habit to unlearn later.

Key Features

• 50 rounds per box in durable brass cases
• .22 LR case dimensions so it chambers in any standard rimfire
• 20 grain lead solid point bullet, roughly half standard weight
• Ultra subsonic velocity for an exceptionally low report
• Almost no recoil, ideal for new and recoil sensitive shooters
• Consistent ignition and box to box uniformity

Specifications and What They Really Mean

The 20 grain lead solid point is the defining spec. Light bullets shed velocity quickly, so effective range here is measured in tens of feet rather than tens of yards, and trajectory drops off sharply past close distance.

Ultra subsonic means the bullet never approaches the sound barrier, so there is no sonic crack at all. What you hear is a soft pop that people routinely describe as quieter than an air rifle.

Brass cases mean you can collect and reload them if that is part of your routine, and they extract cleanly even at these very low pressures. The 50 round box is the traditional rimfire count and is more than enough for the deliberate, one shot at a time way this ammunition gets used.

Understand that this is a specialty load, not a general purpose one. It will not do what a standard velocity .22 does, and it was never meant to.

Critical Safety Notes, Care and Compatibility

Read this part carefully. Ultra low powered rimfire loads carry a real risk of a bullet failing to exit a long barrel, and the manufacturer advises against using Aguila Super Colibri in rifle length barrels for exactly that reason. Short barreled pistols and revolvers are the intended platforms.

If you ever fire a round that sounds weaker than usual, stop immediately, unload, and check the bore for an obstruction before firing again. Firing into a lodged bullet will wreck a barrel and can injure the shooter.

These loads will not cycle a semi automatic action. There is simply not enough energy to work a slide or bolt, so treat any autoloader as a single shot and expect to cycle by hand between rounds.

Store the boxes cool and dry like any rimfire ammunition. When you want standard velocity rounds to shoot alongside them, our ammunition selection covers the full rimfire range, and the Aguila Ammunition site has more on the line.

Used correctly and in the right gun, this load does something no other rimfire round does. Keep a box for the jobs that call for quiet. This ammunition ships straight to your door wherever state and local law allows.