PRIMARY WEAPONS SYSTEMS MK116 MOD2
Posted May 19, 2023
The Primary Weapons Systems MK116 MOD2 is an outstanding rifle for a variety of shooters and shooting situations. Manufactured by Primary Weapons Systems (PWS), the MK116 MOD2 is a lightweight semi-automatic rifle chambered in 5.56 NATO / .223 Remington and capable of firing both cartridges interchangeably. As the product name implies, the MK116 MOD2 is the second-generation version of the MK116 series of rifles, and comes with several improvements over the previous version.
First introduced in 2019, the MK116 MOD2 has quickly become one of the most popular rifles in the market. Its popularity is largely due to its well-thought-out design, which combines all the best features from the original MK116 with various upgrades and improvements that make it even better. Aside from its reliable construction and accuracy, the MK116 MOD2’s features make it a great choice for a wide variety of shooters, including target shooting, hunting, and home defense.
At just 7.3 pounds (without optics or accessories), the MK116 MOD2 is one of the lightest rifles on the market and it feels fantastic when shouldered. The barrel is of 16” chrome-lined length, with a 1:7 twist ratio that is perfect for shooting both 5.56 NATO and .223 Remington cartridges. The barrel is also threaded and comes with a mil-spec A2 flash hider that can be replaced with other muzzle devices such as sound suppressors or compensators. The gas block is adjustable and can be tuned to ensure optimal function with different ammunition types and barrel lengths.
The receiver set up on the MK116 MOD2 is made from a single piece of high-grade 7075 T6 aluminum, which is then forged and machined to precision tolerances. This makes the receiver incredibly durable and helps ensure reliable feeding and extraction of the rifle’s cartridges. It also features an enlarged trigger guard for better access and an extended safety selector switch for easier manipulation. The bolt carrier group of the MK116 MOD2 is phosphate coated and made from mil-spec Carpenter 158 steel to ensure reliable performance and long-term durability.
The PWS MK116 MOD2 is compatible with standard AR-15 magazines, which greatly increases the rifle’s versatility. It also offers an ambidextrous magazine release, an ambidextrous charging handle, and an oversized bolt release button that help make it easy to operate for both left-handed and right-handed shooters. The rifle also comes with a 10-round magazine that can be used to comply with local restrictions.
On the outside, the Mk116 MOD2 features a Magpul MOE stock and pistol grip. The stock allows for a wide range of adjustment to fit shooters of different sizes and is also comfortable to shoulder. The MOE grip is also ergonomically designed with stippling for better control and enhanced weapon manipulation. Other standard features include a two-piece 15” KeyMod handguard, a flat-top mil-spec A3-type charging handle, and a mil-spec trigger group.
The accuracy of the MK116 MOD2 is excellent. The rifle is well-balanced and can deliver accurate results at both long and short distances. The KeyMod handguard also allows for aftermarket accessories such as bipods and scopes to be quickly and easily attached for more precise shots at longer distances.
Overall, the Primary Weapons Systems MK116 MOD2 is an excellent rifle and a great choice for a wide variety of shooting disciplines. Its lightweight design, adjustable features, and accurate performance make it perfect for target shooting, hunting, and home defense. It is a high-quality rifle that is sure to perform reliably for many years.
Pros & Cons
Pros:
-Lightweight design allows for quick and easy handling
-Designed to meet all NATO standards
-MIL-STD Picatinny rails allow for flexibility in mounting optics and accessories
-Durable finish ensures reliable performance
-Impact-resistant stock ensures comfortable and confident handling
Cons:
-Costly compared to other weapons systems
-Lower-than-average magazine capacity
-Not as much offer in terms of accessories and aftermarket parts
-Higher rate of misfires due to more difficult loading process
Who Should Buy
The PRIMARY WEAPONS SYSTEMS MK116 MOD2 is a high-performance AR-15 rifle designed for use by professional shooters. It is a firearm and as such should only be purchased by individuals who are legally allowed to purchase firearms and who are knowledgeable and responsible enough to use it safely and responsibly. It is not recommended for use by novice shooters who lack experience using firearms.
Comparisons
| Weapon | Caliber | Gas System | Twist Rate | Barrel Length |
|---|---|---|---|---|
| PWS MK116 Mod 2 | .308 Win | Mid-Length DI | 1:10 | 16" |
| Daniel Defense DD5V1 | .308 Win | Mid-Length DI | 1:10 | 16" |
| Aero Precision M5E1 | .308 Win | Mid-Length DI | 1:10 | 16" |
| Savage MSR 10 Hunter | .308 WIN | Mid-Length DI | 1:10 | 16” |
| LWRC CMPR | .308 Win | Mid-Length DI | 1:10 | 16" |
Features / Specs
- 12" barrel length
- Diopter rear sight
- Aluminum chassis
- Folding skeleton stock
- Continuous top Picatinny rail
- Free-floating MLOK handguard
- Shockwave Blade pistol grip
- Ambidextrous controls
Popular Accessories
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The top three most popular accessories for PRIMARY WEAPONS SYSTEMS MK116 MOD2 are:
- Optic: A magnified optical sight is an important accessory for this rifle, as it can greatly increase accuracy at long ranges.
- Bipod: Bipods are useful for steady shooting from supported positions.
- Flashlight: A flashlight mounted to the rifle can help to identify targets in low-light conditions.
Accuracy
The PRIMARY WEAPONS SYSTEMS (PWS) MK116 MOD2 is a piston-driven, semi-automatic rifle designed for reliable and accurate performance in harsh conditions. It features a forged 7075-T6 aluminum upper and lower receivers, a 16.1-inch barrel with a mid-length gas system, and a 1/8 twist ferritic nitrocarburizing (Melonite), 4140 steel barrel. The MK116 MOD2 is constructed with great attention to detail and accuracy, utilizing tight tolerances for improved accuracy. The barrel and chamber are cut in-house with truly impressive attention to tolerances. The PWS MK116 MOD2 shoots 5.56 NATO and .223 Remington ammunition, with tested accuracy of 1.2 MOA or better using quality match grade ammunition. The MK116 MOD2 carries a lifetime warranty, ensuring that it will provide reliable and accurate service for years to come. The PWS MK116 MOD2 is an excellent choice for a durable and accurate rifle.
