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PWS MK109 MOD 1-M UPPER 300BLK 9.75"
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California Proposition 65 Warning

This product can expose you to chemicals including lead, known to cause cancer and birth defects. For more info visit P65Warnings.ca.gov.

SBR Uppers
Primary Weapons Systems

MK109

$1,209.95
Low Stock (2 left) CA Compliant

Primary Weapons Systems MK109 MOD 1-M, Upper Receiver, Fits AR-15, 300 Blackout, 9.75" Barrel, 1:8" Twist, PWS Triad Muzzle Device, 8.9" PWS PicLok MLOK Handguard, Anodized Finish, Black, Includes Radian Raptor Ambidextrous Charging Handle MK1-M1U-300BLK-9

Key Details
UPC 811154033451
Part Number MK1-M1U-300BLK-9
RSR Stock # PWSMK1-M1U-300BLK-9
Manufacturer Primary Weapons Systems
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  • Final availability is confirmed against the distributor during cart and checkout.
In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description

The MK1 MOD 1-M line features the PWS long stroke piston system. Internally, this line offers the tried and true system that PWS owners have grown to know and love. Featuring a free-float MLOK handguard, forward assist controls, and a more true to mil-spec design, the MK1 MOD 1-M line is a go-to for not only civilians, but also Law Enforcement. With the fully forged upper and lower receivers, the MK1 MOD 1-M is a no-nonsense tool for when you need a high value option that is relentless and unstoppable.

Features
  • 9.75 300BLK Barrel"
  • Barrel Twist Rate 1:8
  • Muzzle Velocity 2264 fps
  • PWS Triad 30 Muzzle Device
  • PWS Proprietary Piston Upper, T6 7075 Forged, Anodized
  • PWS M-Lok 6.9 Handguard"
  • Radian Raptor Ambidextrous Charging Handle
Specifications
UPC: 811154033451
Manufacturer: Primary Weapons Systems
Manufacturer Part #: MK1-M1U-300BLK-9
Model: MK109
Model (Alt): Mod 1
Barrel Length: 9.75"
Finish: Anodized
Type: Upper