22lr Barrel Assembly For AR-15 - 4.5 Barrel Sub-Assembly W/ Collar Kit 22lr
$161.99 at Ammunition Depot · 4 stores
In stock
Best price
$174.49at OpticsPlanet
In stock Sale Lowest in 30 dayschecked Nov 13, 2026
Fits and works with
- Caliber
- .22 LR · Shop matching ammo
- Bolt
- .22 LR · Bolt carrier groups
- Gas system
- Carbine · Handguards
- Muzzle thread
- 1/2x28 · Muzzle devices
- Barrel length
- 16.1" · Handguards
Specifications
- Manufacturer
- CMMG
- Platform
- AR-15
- Caliber
- .22 LR
- Gas system
- Carbine
- Barrel length
- 16.1"
- Twist rate
- 1:16
- Thread pattern
- ½ x 28
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet Best price | $174.49Salechecked Nov 13, 2026 | In stock | Buy at OpticsPlanet | |
| GrabAGun | $169.99checked Nov 13, 2026 | Check store | Buy at GrabAGun | |
| CMMG | $174.95checked Nov 13, 2026 | Check store | Buy at CMMG | |
| Palmetto State Armory | $174.99checked Nov 12, 2026 | Check store | Buy at Palmetto State Armory | |
| Natchez | $196.49checked Nov 13, 2026 | Check store | Buy at Natchez | |
| Brownells 17.76% off · ends Nov 15 · exclusions apply | $190.77checked Nov 13, 2026 | Out of stock | Buy at Brownells |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Price history
Lowest in-stock price in the last 30 days: $174.49 at OpticsPlanet. Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $190.77 | $190.77 | $190.77 |
| CMMG | $174.95 | $174.95 | $174.95 |
| GrabAGun | $169.99 | $169.99 | $169.99 |
| Natchez | $196.49 | $196.49 | $196.49 |
| OpticsPlanet | $174.49 | $174.49 | $174.49 |
| Palmetto State Armory | $174.99 | $174.99 | $174.99 |
Since Sep 28, 2026.
About this part
The 22lr Barrel Assembly For AR-15 - 16.1 Barrel Sub-Assembly 22lr is a 16.1" .22 LR barrel from CMMG with a carbine gas system. It's sold by 6 stores (1 in stock), from $169.99 to $196.49. The lowest in-stock price in the last 30 days was $174.49 at OpticsPlanet.
From the manufacturer
Perfect for building your custom dedicated 22LR AR-15 upper group. Also Includes barrel collar to replace the chamber adapter on your 22AR Conversion. Available as: 4.5" Barrel available with or without a Collar Kit Medium Taper Profile 4140 Chrome Moly Salt Bath Nitride Finish inside and out 1:16 Twist 22LR Sprorting Chamber Threaded 1/2-28" Available as: 16.1a ^2 Barrel available with or without a Collar Kit M4 Profile 4140 Chrome Moly Salt Bath Nitride Finish inside and out 1:16 Twist 22LR Sprorting Chamber Threaded 1/2-28 .750a ^2 Carbine length Journal Mfg: Cmmg
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