IMI Ammunition 5.56x45mm 77 Grain Razor Core (Sierra MatchKing Hollow Point)

Product Description

Precision-Built for Serious Shooters

Shooters who demand accuracy trust IMI Razor Core ammo. This 5.56x45mm load pairs IMI Systems’ rigorous manufacturing standards with the legendary 77gr Sierra MatchKing (SMK) open tip match (OTM) hollow point bullet. As a result, you get a round built for both precision shooting and reliable terminal performance IMI 77 grain SMK 5.56.

Match-Grade Accuracy

The 77 grain Sierra MatchKing is one of the most trusted match bullets available today. Its open tip design promotes a consistent, stable flight path. Because of this, shooters rely on it for long-range precision work, competition shooting, and duty use alike. In addition, IMI Systems loads every round to tight tolerances, so you get consistent velocity and accuracy shot after shot.

Reliable IMI Ammo, Ready to Ship

IMI Systems (Israel Military Industries) has manufactured military and commercial ammunition for decades. Therefore, when you buy IMI ammo, you get battle-tested reliability backed by real manufacturing experience. Each box delivers dependable 77gr OTM performance, whether you’re at the range or in the field.

Quick Specs

• Caliber: 5.56x45mm NATO
• Bullet: 77 grain Sierra MatchKing (SMK) Open Tip Match (OTM) Hollow Point
• Manufacturer: IMI Systems (Razor Core line)
• Best for: Precision shooting, competition, duty/defensive use

FAQs

What is IMI Razor Core ammo?
IMI Razor Core is a 5.56x45mm ammunition line manufactured by IMI Systems. It uses the 77 grain Sierra MatchKing open tip match hollow point bullet, built for accuracy and consistent performance.

What does OTM mean in 77gr OTM ammo?
OTM stands for open tip match. This bullet design features a small opening at the tip, which improves aerodynamic stability and delivers match-grade accuracy at distance. IMI 77 grain SMK 5.56

Is 77 grain 5.56 ammo good for long-range shooting?
Yes. Shooters widely use 77 grain 5.56 loads, especially with a Sierra MatchKing bullet, for improved accuracy at extended ranges compared to lighter 55-62 grain loads.

Who makes IMI ammo?
IMI Systems, formerly Israel Military Industries, manufactures IMI ammo. The company has a long history of producing military and commercial-grade ammunition.

Is Sierra MatchKing hollow point ammo good for self-defense or duty use?
Many shooters use 77 grain Sierra MatchKing OTM ammo for duty and defensive applications, in addition to competition and precision shooting. It’s known for consistent expansion and reliable terminal performance.

What’s the difference between 77gr 556 and standard 55gr/62gr loads?
The 77 grain load is heavier and typically more accurate at range. Standard 55-62 grain loads, on the other hand, offer flatter trajectories at closer distances and are often lighter-recoiling.