.22 LR
A low-cost rimfire cartridge commonly used for high-volume practice and fundamentals.
**Best fit:** training-focused setups, recoil-sensitive shooters, and economical range sessions.
**Build notes:** often run through dedicated .22 LR uppers or conversion kits, with reliability varying by ammo and setup.
Available via dedicated uppers or conversion kits for AR-15 platforms.
Barrels
Rifled tubes that guide the projectile
CMMG 4.5in .22LR Medium Barrel Assembly Kit for AR-15 (1-16 Twist, 1/2-28)
Cmmg
$166.99
CMMG 16.1" Nitride AR-15 22LR Replacement Barrel Kit
Cmmg
$207.49
Volquartsen Summit Prefit Barrel .22 LR 18.5" Threaded Black
Volquartsen
$365.00
Volquartsen Summit Prefit Barrel .22 LR 18.5" Threaded Stainless
Volquartsen
$365.00
Volquartsen 22LR THM Tension Barrel 32-Hole Comp (Black Alloy)
Volquartsen
$346.00
Volquartsen 22LR stainless bull barrel 1:9 twist 1/2x28 threaded AR-15 drop-in
Volquartsen
$286.00
Volquartsen .22LR stainless bull barrel drop-in 1:9 twist .92"
Volquartsen
$286.00
Volquartsen THM Tension Barrel 22LR Silver Alloy (THM) for AR-15
Volquartsen
$286.00
Volquartsen .22LR carbon fiber THM tension barrel 1/2x28 threaded
Volquartsen
$286.00
CMMG AR-15 Barrel 22 Long Rifle 9.2" Medium Contour 1:16" Twist Salt Bath Nitride Barrel and Bolt Group Kit
Cmmg
$279.41
Bolt Carrier Groups
The heart of the AR action
Magazines
Feed devices for ammunition
Pro Mag 795 .22 LR 30-Round Drum Magazine — Smoke
Pro-Mag
$38.99
SIG Sauer Mosquito 22 Magazine, Green Finish
Sig Sauer
$449.99
Pro Mag Glock 44 22LR 25-Round Factory Magazine (GLK-A20)
Pro-Mag
$20.99
ProMag G44 22LR 18-Round Glock 44 Magazine
Pro-Mag
$15.99
Smith & Wesson M41 22LR 10-Round Factory Magazine
Smith & Wesson
$22.29
Blue Line Diana R-22 10rd .22LR Magazine - Black (R-22)
Blue Line
$24.99
Smith & Wesson SW22 Victory Magazine .22 LR 10-Round Stainless Steel
Smith & Wesson
$24.63
CMMG Conversion Mag AR-15 Mk4 .22 LR 25-Round Magazine (Black)
Cmmg
$23.95
Phoenix Arms HP22A .22 LR 10-Round Magazine Black
Phoenix-Arms
$22.95
Smith & Wesson M&P 15-22 22 LR 10-Round Short Polymer Magazine (Black)
Smith & Wesson
$20.45
Muzzle Devices
Flash hiders, brakes, and compensators
Keeno Arms #2 Muzzle Brake 22 Caliber 1/2-28 Chrome Moly Silver
Keeno Arms
$48.07
Keeno Arms #3 22 Caliber Muzzle Brake 5/8-24 Stainless
Keeno Arms
$48.07
Keeno Arms #2 Muzzle Brake .22 Cal 9/16-24 Chrome Moly Silver (Universal)
Keeno Arms
$48.07
Keeno Arms #2 Muzzle Brake .22 Caliber 1/2-28 Stainless
Keeno Arms
$48.07
Keeno Arms #1 22 Cal Muzzle Brake 1/2-28 Stainless .625
Keeno Arms
$48.07
Dead Air Armament XRF Rimfire Muzzle Brake 1/2-28 .22 Cal (RXD674)
Dead Air Armament
$47.99
Tandemkross Game Changer Pro Squared Comp 22LR Black
Tandemkross
$46.33
DoubleStar Carlson .22 LR Thruster Muzzle Brake CC480
Doublestar
$35.99
Tandemkross Game Changer Pro Compensator for .22LR Gold
Tandemkross
$48.74
Tactical Solutions Trail-Lite .22 LR Compensator 0.900in 1/2x28 Threads Black TLCMP-MB
Tactical Solutions
$39.99
Ammunition
Cartridges chambered in this caliber
Barnes TSX .224 53gr FB Flat Base Bullets 50 Count
Barnes Bullets
$34.20
Winchester USA 21 Sharp 42Gr Rimfire FMJ Ammo - 100 Rounds
Winchester
$16.36
Daisy Model 24 .177 Cal 2400-Count BB Bottle
Daisy
$11.99
HSM 17 Hornet V-MAX Polymer Tipped 20 Grain Ammo (20-Round Box)
HSM
$24.68
Barnes TSX .224 45gr FB Bullets (50/ct) - 30176
Barnes Bullets
$31.45
Barnes TSX .224 70gr BT Bullets - 50 Rounds (BX30193)
Barnes Bullets
$35.95
Eley Outlaw .22 LR 40 Grain Semi-Auto Benchrest 50-Pack
Eley
$8.73
Wolf Match Target 22 Long Rifle Ammunition 40 Grain Solid Round Nose
Wolf
$678.00
Federal American Eagle 22 Long Rifle CPHP 38 Grain
Federal Ordnance
$3.77
Federal American Eagle 22 Long Rifle CPHP 38 Grain
Federal Ordnance
$34.19