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Primary Weapons Systems
MK111
$1,499.95
Low Stock (5 left)
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This item is restricted for standard California customers and may not be transferable in California without a qualifying exemption.
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Primary Weapons Systems MK111, Mod 2, Upper Receiver, 223 Wylde, 11.85" Barrel, M-LOK Handguard, Fits AR-15, Anodized Finish, Black MK1-M2U-223-11
Key Details
Brand
Primary Weapons Systems
Manufacturer Part Number
MK1-M2U-223-11
UPC
811154033208
SKU
PWSMK1-M2U-223-11
Current Stock
5 available
Quantity Updated
Sep 7, 2026 11:57 AM
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Purchase Requirements
- California compliance or distributor restriction review may apply.
- Final availability is confirmed at checkout.
In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description
The MK111 MOD 2-M Upper operates on the highly acclaimed PWS Long Stroke Piston System, renowned for its reliability and reduced fouling. The inclusion of a 3-setting Adjustable Gas System allows users to fine-tune gas flow, ensuring optimal performance in diverse shooting conditions as well as optimizing it for suppressor use. This innovative system not only enhances reliability but also provides adaptability to various ammunition types and environmental factors.
Features
- 1:8 Twist Rate
- Suppressor Optimized
- Ambidextrous Receiver
- Long-Stroke Piston System with Adjustable Gas Settings
- Picatinny/M-LOK Hybrid Handguard
- PWS FRC 2-Port Compensator
Specifications
UPC:
811154033208
Manufacturer:
Primary Weapons Systems
Manufacturer Part #:
MK1-M2U-223-11
Model:
MK111
Model (Alt):
Mod 2
Barrel Length:
11.85"
Finish:
Anodized
Type:
Upper
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