Primary Weapons Systems  |  SKU: RSR-PWSMK1-M1U-762X39-16

Primary Weapons Systems - MK116 MOD 1-M Upper 7.62x39

Regular price $1,31595
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Description

⚠ STATE RESTRICTIONS: This item cannot be shipped to Connecticut, Illinois, New Jersey or Washington. Orders shipping to these states will be cancelled and issued a full refund.

The Primary Weapons Systems MK116 MOD 1-M Upper is a top-tier choice for shooters seeking reliability and performance. Featuring the renowned PWS long-stroke piston system, this upper maintains the reliability that PWS owners trust. It comes equipped with a free-float MLOK handguard, forward assist controls, and a design that aligns closely with mil-spec standards, making it suitable for both civilians and law enforcement.

This model is chambered in 7.62x39mm, offering outstanding accuracy and reliability. The 16-inch barrel with a 1:10 twist rate ensures exceptional performance with most 7.62x39 rounds. The fully forged 7075-T651 aluminum upper and lower receivers provide durability and strength, ensuring compatibility and familiarity for users.

The MK116 MOD 1-M is optimized for suppressor use, minimizing back pressure and gas blowback for a cleaner shooting experience. It includes a PWS FRC 2-Port Compensator, compatible with the Rearden Atlas suppressor mounting system, and a Radian Raptor Ambidextrous Charging Handle for smooth operation for both left and right-handed shooters.

Key Features

  • Barrel Length: 16 inches
  • Caliber: 7.62x39mm
  • Weight: 4.7 lbs
  • PWS Long Stroke Piston System: Renowned for reliability and reduced fouling
  • Suppressor Optimized: Enhanced performance with reduced gas blowback
  • Free-float MLOK Handguard: Improved handling and accessory mounting
  • Fully Forged Receiver: 7075-T651 Aluminum for durability
  • Forward Assist Integration: Ensures reliable chambering in adverse conditions
  • PWS FRC 2-Port Compensator: Mitigates recoil and muzzle rise
  • Radian Raptor Ambidextrous Charging Handle: Smooth operation for all users

Specifications

  • Model: MK116
  • Color: Black
  • Manufacturers Part Number: MK1-M1U-762X39-16
  • Product UPC: 811154033512
  • SubCategory: Complete Upper Receivers
  • Type: Upper

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Frequently Asked Questions

What makes the PWS long-stroke piston system unique in the MK116 MOD 1-M Upper?

The PWS long-stroke piston system is renowned for its reliability and reduced fouling compared to direct impingement systems. This system uses a piston to drive the bolt carrier group, which minimizes the amount of gas and carbon entering the receiver. This results in cleaner operation and less maintenance, making it ideal for high-volume shooting or adverse conditions. The long-stroke design also enhances reliability by providing consistent cycling, even with various ammunition types.

How does the MK116 MOD 1-M Upper perform with suppressors?

The MK116 MOD 1-M Upper is optimized for suppressor use, offering enhanced performance with reduced gas blowback. This optimization minimizes the back pressure typically associated with suppressed shooting, resulting in a cleaner and more comfortable shooting experience. The PWS FRC 2-Port Compensator is compatible with the Rearden Atlas suppressor mounting system, ensuring seamless integration with your suppressor setup. This makes it a great choice for shooters who prioritize noise reduction and recoil management.

What are the benefits of the free-float MLOK handguard on the MK116 MOD 1-M Upper?

The free-float MLOK handguard on the MK116 MOD 1-M Upper improves handling and allows for versatile accessory mounting. By not being in contact with the barrel, the free-float design helps maintain accuracy by preventing external pressures from affecting the barrel's harmonics. The MLOK system provides a modular platform for attaching accessories like grips, lights, and lasers, enabling customization to fit specific operational needs. This adaptability is crucial for both tactical and recreational shooters seeking precision and flexibility.

How does the 7.62x39mm chambering affect the MK116 MOD 1-M Upper's performance?

Chambered in 7.62x39mm, the MK116 MOD 1-M Upper offers a balance of power and accuracy suitable for various shooting applications. This caliber is known for its ability to deliver substantial stopping power and penetration, making it effective for hunting and tactical scenarios. The 16-inch barrel with a 1:10 twist rate is optimized for stabilizing a wide range of 7.62x39mm bullets, ensuring consistent accuracy. However, shooters should be aware of the availability and cost of this ammunition, as it can vary based on market conditions.

What role does the Radian Raptor Ambidextrous Charging Handle play in the MK116 MOD 1-M Upper?

The Radian Raptor Ambidextrous Charging Handle facilitates smooth and efficient operation for both left and right-handed users. This design allows for quick and easy manipulation of the charging handle, enhancing the overall usability of the firearm. It is especially beneficial in high-stress situations where rapid response is critical. The ambidextrous nature ensures that all users can operate the upper effectively, regardless of their dominant hand, making it a versatile choice for diverse shooting environments.

How does the PWS FRC 2-Port Compensator enhance shooting with the MK116 MOD 1-M Upper?

The PWS FRC 2-Port Compensator is designed to mitigate recoil and muzzle rise, improving control during rapid fire. By redirecting gases, the compensator reduces the upward movement of the barrel, allowing for quicker follow-up shots and better accuracy. This is particularly advantageous in tactical scenarios where maintaining target acquisition is crucial. However, shooters should consider the increased noise and blast associated with compensators, which may require additional hearing protection.

What materials are used in the construction of the MK116 MOD 1-M Upper, and why are they important?

The MK116 MOD 1-M Upper is constructed from fully forged 7075-T651 aluminum, known for its strength and durability. This material choice ensures the upper can withstand the rigors of frequent use and harsh conditions without compromising performance. The forging process enhances the material's structural integrity, making it a preferred choice for military and law enforcement applications. This durability is crucial for reliability in critical situations where equipment failure is not an option.

What is the significance of the forward assist on the MK116 MOD 1-M Upper?

The forward assist on the MK116 MOD 1-M Upper ensures reliable chambering, especially in adverse conditions. This feature allows the shooter to manually push the bolt carrier group forward if it fails to fully chamber a round. It is particularly useful in environments where dirt, debris, or fouling might impede the normal cycling of the firearm. While not always necessary in ideal conditions, the forward assist provides an added layer of reliability when operating in challenging scenarios.

How does the MK116 MOD 1-M Upper's design align with mil-spec standards?

The MK116 MOD 1-M Upper closely aligns with mil-spec standards, ensuring compatibility and reliability. Mil-spec, or military specification, refers to the standardized guidelines used to ensure that equipment meets certain performance and quality criteria. By adhering to these standards, the MK116 MOD 1-M Upper is compatible with a wide range of accessories and components, making it a versatile choice for both civilian and professional use. This alignment also assures users of the upper's durability and reliability in demanding conditions.

What are the potential trade-offs of using the MK116 MOD 1-M Upper in a tactical setup?

While the MK116 MOD 1-M Upper offers numerous benefits, there are trade-offs to consider in a tactical setup. The 7.62x39mm caliber provides excellent stopping power but may result in increased recoil compared to smaller calibers, potentially affecting rapid-fire accuracy. Additionally, the added weight of the compensator and suppressor can impact maneuverability. Users should balance these factors with their specific operational needs, ensuring that the upper's capabilities align with their tactical objectives and personal preferences.

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