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Swapping your AR over to rimfire has never been this painless. The CMMG Bravo is a self-contained, drop-in bolt carrier group that turns your .223/5.56 AR-15 into a .22 LR without touching the barrel. Since both cartridges share the same bullet diameter, the Bravo simply replaces your standard BCG. Clear the rifle, pull the rear takedown pin, slide out your old carrier, drop the Bravo in, load one of the included mags, and you're ready to send rounds. The whole thing takes seconds and can be done right at the bench with no tools.
The Bravo runs on a captured blowback system with its own chamber, bolt, and firing pin all built into one unit. That direct blowback design is why it stays so simple and dependable. It's machined from stainless steel with clean welds and a smooth finish that shrugs off wear even after thousands of rounds. Because .22 LR runs dirtier than 5.56 and the blowback action leaves a bit more residue, plan on cleaning it regularly. The good news is the stainless build wipes down easily, and the whole unit comes apart if you want to detail it or drop it in an ultrasonic cleaner.
CMMG recommends a round-style hammer and 36-grain copper-plated ammo for the smoothest function. Copper-plated loads like CCI Mini-Mag or Aguila Super Extra HV cut down on lead fouling and keep things running clean. The Bravo isn't picky, though. Testers have run it across a wide spread of .22 LR brands with very few hiccups, and it stays reliable through 10.5, 12.5, and 16-inch barrels. Give it a light film of lube rather than running it bone dry and it'll reward you with boringly consistent performance.
A couple things worth knowing up front: the split bolt design means your rifle's bolt catch won't lock back on an empty mag and the forward assist won't engage, though the current mags do feature a last-round bolt hold-open. None of that gets in the way of what this kit is built for, which is affordable trigger time. Keep your muscle memory sharp, save your 5.56 for when it counts, and enjoy an afternoon of cheap plinking on the same rifle you already know.
The Bravo is designed to work with most standard 5.56/.223 chambered AR-15 rifles using a mil-spec upper receiver. Since .22 LR and .223/5.56 share the same bullet diameter, no barrel change is needed. If your rifle uses a standard barrel and chamber, you should be good to go with a simple bolt swap.
Clear and safe your rifle, then pull the rear takedown pin and remove your existing bolt carrier group. Slide the Bravo unit into place, close everything back up, and load one of the included .22 LR magazines. The whole swap takes seconds and requires no tools, so you can do it right at the range.
CMMG recommends 36-grain copper-plated round-nose ammo for the most reliable function. Copper-plated loads like CCI Mini-Mag also help cut down on lead fouling in the barrel. The kit isn't especially picky and runs a wide range of .22 LR, though very quiet or low-velocity subsonic rounds may not cycle reliably in a blowback system.
Because of the split blowback bolt design, your rifle's standard bolt catch won't hold the carrier open and the forward assist won't engage. The current CMMG magazines do include a last-round bolt hold-open feature. It's a normal quirk of rimfire conversions and doesn't affect how well the kit shoots.
| UPC | 815835017143 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 22BA6AE |
| Caliber/Gauge | .22 LR |
| Capacity | 10 |
| Color | KIT WITH 10RD MAGAZINE |
| Length | 10.4000 |
| Model | |
| Product Type | Conv Kit |
| Units per Box | 1 |
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