Q&A for Primary Weapons Systems MK111 MOD2-M, .223 Wylde, 11.85 in Upper Receiver

Primary Weapons Systems MK111 MOD2-M, .223 Wylde, 11.85 in Upper Receiver

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Triedintrue, guest, from KS, United States, asked on May 26, 2020

What steel is the barrel made from

Answered by Geno, member, from OR, United States, on September 14, 2022

Current production barrels are 41V50 steel.

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JB, member, from PA, United States, asked on December 29, 2021

is this upper rated for 5.56

Answered by Phil, member, from TX, United States, on January 07, 2022

223 wylde, so yes, you can shoot 556 and 223, but you would "maximize" efficiencies by using 223

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thewolf, member, from TX, United States, asked on November 26, 2020

What charging handle does this come with?

Answered by Chim Richolds, member, from AL, United States, on July 30, 2021

PWS branded Radian Raptor

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Mason Yuioo, member, from TX, United States, asked on December 20, 2024

Is there no forward assist on this upper receiver?

Answered by Tim, member, from VA, United States, on March 28, 2025

Correct the MOD-2 versions do not have forward assists. The MOD-1 have forward assists

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C H, member, from OH, United States, asked on October 15, 2024

What is the handguard length?

Expert Answer

Answered by Ethan, Gear Expert, from IL, United States, on October 15, 2024

The Primary Weapons Systems MK111 MOD2-M Upper Receiver features a PWS PicLok (M-LOK) 11” Handguard.

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Azshooter, member, from AZ, United States, asked on January 27, 2024

What Bolt Carrier Group comes with this upper if it does?

Answered by Tim, member, from VA, United States, on March 28, 2025

Yes it does come with a complete custom M16 BCG. The carrier is integral to the long stroke piston system

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Von, guest, from GA, United States, asked on August 20, 2022

Will this upper fit Anderson Complete Assembled AR-15 Lower Receiver, Multi-Cal, Magpul Stock and Grip?

Expert Answer

Answered by Ethan, Gear Expert, from IL, United States, on August 29, 2022

Yes, the Primary Weapons Systems MK111 MOD2-M .223 Wylde upper receiver will fit and function with any mil-spec lower receiver such as your Anderson AR-15 lower receiver.

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Rooster, member, from TX, United States, asked on July 27, 2022

Is the flash hider pinned

Expert Answer

Answered by Hunter, Gear Expert, from OH, United States, on August 08, 2022

The muzzle device on the Primary Weapons Systems MK111 MOD2-M .223 Wylde, 11.85in bbl Upper Receiver is not pinned.

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JB, member, from PA, United States, asked on December 30, 2021

is this upper capable of working with a binary trigger or select fire lower

Answered by Phil, member, from TX, United States, on January 23, 2022

yes. you may need to do some tuning with your buffer weights/gas settings, but it will work (bcg is already compatible)

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JB, member, from PA, United States, asked on December 29, 2021

is this a long stroke gas piston upper?

Answered by Ece, member, from AZ, United States, on May 29, 2022

Yes it is.

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More Deals

Q&A for Primary Weapons Systems MK111 MOD2-M, .223 Wylde, 11.85 in Upper Receiver — 14 Questions & 14 Answers

What steel is the barrel made from

is this upper rated for 5.56

What charging handle does this come with?

Is there no forward assist on this upper receiver?

What is the handguard length?

What Bolt Carrier Group comes with this upper if it does?

Will this upper fit Anderson Complete Assembled AR-15 Lower Receiver, Multi-Cal, Magpul Stock and Grip?

Is the flash hider pinned

is this upper capable of working with a binary trigger or select fire lower

is this a long stroke gas piston upper?

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Q&A for Primary Weapons Systems MK111 MOD2-M, .223 Wylde, 11.85 in Upper Receiver — 14 Questions & 14 Answers