ARPartsFinder In-stock AR-15 & AR-10 parts across every retailer. We find them, you buy direct.

Primary Weapons Systems MK109 Mod 1-M 9.75" Upper .300 AAC Blackout 1:8 M-LOK Rail, Black

Name: Primary Weapons Systems MK109 Mod 1-M 9.75" Upper .300 AAC Blackout 1:8 M-LOK Rail, Black
Brand: Palmetto State Armory
Price: 1129.99 USD
Availability: InStock

Palmetto State Armory · Complete Uppers

$1129.99 In stock

Buy at Palmetto State Armory

Current: $1129.99
Lowest seen: $1129.99
Highest seen: $1129.99

Tracked since Jun 27, 2026 · price unchanged so far.

Primary Weapons Systems MK109 Mod 1-M 9.75" Upper .300 AAC Blackout 1:8 M-LOK Rail, Black

Price history · the price at each change, across the full time tracked

Confirm

How do you want to save?

More