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Quick Look

The HK416, developed by Heckler & Koch in the early 2000s, is a gas-operated rifle based on the AR-15 platform, featuring a short-stroke piston system. It is designed for reliability and durability under harsh conditions. The HK416 remains highly popular among military and law enforcement units worldwide.

Why It's a Top Choice

Proven short-stroke gas piston for enhanced reliability
Modular design supports various barrel lengths and calibers
High-quality build with robust materials
Wide aftermarket support for accessories
Used by multiple elite military units globally

Key Variants

HK416A5

The latest evolution offering user-friendly controls and improved ergonomics for modern combat demands.

HK416D

Compact version suited for close-quarters and special operations units.

HK416N

Standard infantry model featuring a 14.5-inch barrel and full-length rail system.

Competitor Comparison Table

Feature	HK416	Colt M4	FN SCAR
MSRP	$3,000–4,200	$1,200–1,800	$3,500–4,500
Capacity/Size	30 rounds, 14.5\" barrel	30 rounds, 14.5\" barrel	20 or 30 rounds, variable barrels
Weight	7.9 lbs (3.6 kg)	6.5–7.5 lbs	7.9–8.2 lbs
Optics-Ready	Full Picatinny rail	Flat top rail	Full modular rail system
Trigger Type	Single-stage	Single-stage	Two-stage
Notable Pro	Superior reliability under adverse conditions	Broad availability and proven track record	Highly modular with multiple calibers
Notable Con	$ Higher cost than typical AR platform	Direct impingement can foul easier	Heavier than similar rifles

Best Use Cases

Military and law enforcement duty
Close-quarters battle and urban operations
Home defense and tactical training
Competition shooting in tactical rifle classes
Reliable field rifle under tough conditions

FAQs

Can I use standard AR magazines with the HK416?

Yes, the HK416 is compatible with standard 5.56 NATO STANAG magazines used by AR-15 rifles.

What caliber does the HK416 primarily chamber?

The HK416 typically chambers 5.56x45mm NATO, standard for NATO forces and widely available.

How does the HK416's piston system benefit reliability?

Its short-stroke gas piston reduces fouling and heat in the receiver, enhancing consistent performance.

HK416 for Sale