Heckler & Koch HK416 .22 LR 16.1″ 20rd
Pros & cons
What works
- Weighs 6.4 lbs – identical handling weight to many mid-weight 5.56mm AR-15s for realistic training.
- Features a 16.1" steel, threaded (1/2x28) barrel – ready for suppressor mounting out of the box.
- Uses aluminum receivers – provides a more durable, solid feel than common polymer .22 LR trainers.
- Offers a 25.6" sight radius with included irons – excellent for fundamental marksmanship practice.
Trade-offs
- Uses proprietary magazines – spares cost $35-$45 each compared to ~$25 for common AR-pattern .22 LR mags.
- Non-standard buffer tube – precludes the use of common AR-15 stocks without an unavailable adapter.
- Blowback action is sensitive to ammunition cleanliness – requires more frequent cleaning than a bolt-action rimfire for reliable function.
Video review
Expert review
Specs at a glance
About this product
The Heckler & Koch HK416 .22 LR 16.1” is an HK-authorized, semi-automatic rimfire training rifle that replicates the controls and manual of arms of its centerfire counterpart. Created under license by Umarex, this platform delivers 1:1 ergonomics for less than a tenth of the cost of parts for a genuine HK416. The rifle is built around a 16.1-inch threaded steel barrel, aluminum receivers, and features a Mil‑Std 1913 Picatinny rail with M-LOK handguard sections for accessory mounting.
What is the Heckler & Koch HK416 .22 LR used for?
The HK416 .22 LR is primarily a dedicated sub-caliber trainer for marksmanship fundamentals and platform familiarization. This rifle is designed for high-volume rimfire practice, allowing shooters to build muscle memory with the HK416’s controls and handling in a low-recoil, low-cost footprint. Its threaded muzzle and accessory-ready rails also make it suitable for 22LR-specific competition, backyard plinking, and suppressor use where centerfire rifles may be over-pressured or prohibited.
How does the HK416 .22 LR compare to the Stevens 334 Rifle?
The HK416 .22 LR is a dedicated semi-automatic trainer designed for platform-specific muscle memory, while the Stevens 334 Rifle in .308 Win is a traditional hunting and precision bolt-action platform. The HK416 is superior for rapid-fire drills and manual-of-arms training related to modern sporting rifles, thanks to its nearly identical controls and handling. The Stevens 334 in .308 Win is objectively the better choice for actual hunting at distances beyond 150 yards or where bolt-action reliability in adverse conditions is a primary concern; it’s a purpose-built tool, not a trainer.
What does it weigh and what are the dimensions?
This rifle weighs 6.4 pounds unloaded and features an overall length of 35.5 inches with the stock collapsed. With the stock fully extended to accommodate a length of pull of approximately 13.5 inches, the overall length increases to 38.7 inches. The 16.1-inch barrel provides a sight radius of 25.6 inches when using the included flip-up irons, which is substantial for a rimfire platform and contributes to its stable handling.
Who is this NOT for?
This rifle is not for a shooter seeking a traditional .22 LR plinker or a dedicated small-game hunting rifle. Its design fidelity to the centerfire HK416 introduces a level of mechanical complexity and cost unnecessary for those tasks. Shooters who prioritize maximum accuracy over absolute control replication—think benchrest shooting or NRL22 base class—should look at lighter, single-shot or bolt-action rimfire rifles with match-grade barrels. The rifle's polymer magazine and blowback action also make it less ideal for dusty or fine debris environments compared to a closed-action bolt gun like those in the Stevens 334 series.
What's in the box?
The rifle ships with one 20-round polymer magazine, a set of flip-up front and rear iron sights, and a basic owner's manual. No additional accessories, optics, slings, or cleaning kits are included. For reference, the provided magazine has a dry weight of 3.2 ounces and holds 20 rounds of .22 LR rimfire ammunition. You will need to purchase ammunition and any desired optics, a sling, or a suppressor separately.
Is the HK416 .22 LR worth it at $547.99?
At $547.99, this rifle offers significant value for a shooter specifically seeking an HK416 trainer for high-familiarity practice. The build quality, material selection, and control layout justify the premium over a generic .22 LR AR-style rifle. However, its value proposition collapses if you do not need the specific HK manual of arms; a standard AR-platform .22 LR conversion kit or a dedicated AR-style .22 rifle will offer similar training utility at a notably lower cost of entry. The 6.4-pound weight, identical to many mid-weight AR-15s, makes its training application very effective for those who can amortize the cost over thousands of rounds of cheaper .22 LR ammo.
Key attributes
| upc | 642230257870 |
| manufacturer | Heckler & Koch / H&K |
| manufacturer part number | 81000401 |
| action | Semi-Auto |
| atf type | MODERN SPORTING RIFLE |
| barrel length | 16.10" |
| caliber/gauge | .22 LR |
| capacity | 20 + 1 |
| color | Black |
| length | 32.7 |
| model | HK416 |
| number of magazines | 1 20 rd. Polymer Magazine |
| package height | 10.8 |
| package width | 4.1 |
| product type | AR |
| safety | Thumb |
| shipping weight | 8.6 |
| sights | Flip Up Front & Rear |
| sights type | Adjustable Sights |
| state restriction (il) | NO SALE TO ILLINOIS PICA |
| state restriction (or) | NO SALE TO OREGON |
| state restriction (ri) | NO DIRECT SHIP TO RHODE ISLAND |
| state restriction (wa) | NO DIRECT SHIP TO WASHINGTON |
Frequently asked questions
- Is it compatible with standard AR-15 furniture and accessories?
- No, it is not fully compatible. While the top rail is Mil‑Std 1913 Picatinny and the handguard uses an M-LOK interface, the stock uses a proprietary HK416-style buffer tube assembly. Standard AR-15 stocks and pistol grips will not fit without specific adapters that are not widely available.
- Does it work with a .22 LR suppressor?
- Yes, it is suppressor-ready. The muzzle is threaded 1/2x28, which is the standard thread pitch for .22 caliber suppressors in the US. Ensure your suppressor is rated for semi-automatic .22 LR use and utilize proper thread-locking compound, as rimfire fouling can cause suppressors to seize.
- How long does shipping take for this item?
- Most online orders are processed within 2 business days and shipped via our standard ground carrier, typically arriving within 5-7 business days for contiguous US addresses. Expedited shipping options are available at checkout for an additional fee.
- Can I use standard AR-15 .22 LR magazines in this rifle?
- No, you cannot. This rifle uses a proprietary polymer magazine designed specifically for this HK/Umarex platform. The included magazine holds 20 rounds and is dimensionally and mechanically different from the common Black Dog Machine or M&P15-22 pattern magazines.