Description
There is a reason the HK416 has a near mythical reputation, and this .22 LR version lets you bring that same profile to the range without burning through centerfire ammo. Built by Umarex in Germany under license from Heckler & Koch, this is the only 416 rimfire authorized by HK, and it shows in the details. You get aluminum upper and lower receivers, an M-LOK handguard with a full-length Picatinny top rail, and controls that mirror the real deal, including a functional dust cover and last round bolt hold open.
Why the HK416 .22 LR Makes Sense as a Trainer
At 5.7 pounds with a 32.7 inch overall length, this rifle handles like its big brother, which is exactly the point. The 90 degree safety selector, retractable stock, and pistol grip with built-in storage compartment all keep the manual of arms familiar, so reps here carry over to your centerfire rifle. The adjustable flip-up front and rear sights get you on target out of the box, and the flat top rail leaves plenty of room for a red dot or scope when you want to stretch it out.
Practical Features on the HK416 Rimfire
The 16.1 inch barrel comes threaded 1/2×28 and capped with a flash hider, so adding a suppressor or other muzzle device is simple. The M-LOK slots along the handguard take lights, hand stops, and bipods without adding rail weight where you do not need it. A 10 round polymer magazine ships with the rifle, and spare mags in 10 and 20 round capacities are easy to find if you want to keep the fun going between reloads.
More Than a Range Toy
Semi-auto .22s like this earn their keep in a lot of roles. It is a great way to introduce a new shooter to an AR-pattern rifle without the noise and recoil, a solid choice for squirrels and other small game, and a genuinely fun plinker that will not empty your wallet at the ammo counter. If you have always wanted HK rollmarks in the safe, this is one of the most affordable ways to get there.
Key Specifications
- Manufacturer: Heckler & Koch (made by Umarex under HK license)
- Model: HK416
- MPN: 81000402
- UPC: 642230257054
- Caliber: .22 LR
- Action: Semi-Automatic
- Capacity: 10+1
- Barrel Length: 16.1 in, threaded 1/2×28
- Muzzle Device: Flash Hider
- Overall Length: 32.7 in
- Weight: 5.7 lbs
- Receivers: Aluminum Upper and Lower
- Handguard: M-LOK with Mil-STD 1913 Picatinny Rail
- Stock: Retractable, HK Style
- Sights: Adjustable Flip-Up Front and Rear
- Finish: Matte Black
What’s Included
- HK416 .22 LR Rifle
- One 10-round polymer magazine
- Adjustable flip-up front and rear sights (installed)
- Owner's manual
Frequently Asked Questions
Who makes the HK416 .22 LR, HK or someone else?
It is manufactured in Germany by Umarex under an official license from Heckler & Koch, and it is the only .22 LR HK416 authorized by HK. Umarex has been building HK's rimfire lineup for years, and the fit, markings, and controls closely mirror the centerfire 416.
Is the barrel on the HK416 22LR threaded for a suppressor?
Yes. The 16.1 inch barrel is threaded 1/2×28, the most common rimfire thread pitch, and ships with a flash hider installed. Just remove the flash hider and most .22 suppressors will spin right on.
Can I mount an optic on this rifle?
Absolutely. The full-length Picatinny top rail handles red dots, scopes, and magnifiers, and the flip-up sights fold down out of the way when an optic is mounted. The M-LOK handguard also gives you slots for lights, bipods, and other accessories.
Does the HK416 rimfire work as a trainer for a centerfire AR?
That is one of its biggest strengths. The safety selector, charging handle, dust cover, and last round bolt hold open all function like the real thing, so your manual of arms stays consistent. At 5.7 pounds it balances and shoulders much like a standard carbine, which makes cheap .22 practice carry over nicely.




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