Mk109 Mod 2-M 300 Aac Blackout Complete Upper Receiver - Mk109 Mod 2-M 300 Aac Blackout 9.75'''' Bbl Complete Upper

Name: Mk109 Mod 2-M 300 Aac Blackout Complete Upper Receiver - Mk109 Mod 2-M 300 Aac Blackout 9.75'''' Bbl Complete Upper
Brand: Brownells
Price: 1299.95 USD
Availability: InStock

Sold byBrownells•Posted Apr 28, 2026

$1,299.95

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Deal Summary

Currently in stock.
Caliber: 300blk
Category: parts
SKU: 430107645
Brand: Primary Weapons

Price History

Deal Details

MK109 MOD 2-M 300 AAC Blackout Complete Upper SPECIFICATIONS: Operating System: PWS Long Stroke Piston System, 3 setting Adjustable Gas Regulator Caliber: .300BLK Gas System Length: Pistol Barrel Length: 9.75" Barrel Twist Rate: 1:8 Muzzle Velocity: 2264 fps Muzzle Device: PWS Triad 30 Upper Receiver: PWS Proprietary Piston Upper, 7075-T651 Hard coat anodize, per Mil 8625 Type lll Class 2 Handguard: PWS PicLok(TM) 8.9" Handguard (1.7" width, 2.25" height) Charging Handle: Ra