Primary Weapons Systems MK109 Mod 1-M 9.75" Upper .300 AAC Blackout 1:8 M-LOK Rail, Black
- UPC
- 811154033451
- MPN
- MK1-M1U-300BLK-9
- SKU
- 51655206981
- Manufacturer
- Primary Weapons Systems
$1209.99
$1129.99
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Price Intelligence
High confidence
Against lowest
$80.00 above low (7%)
Typical price
Near typical ($1209.99)
From tracked high
$134.00 lower (10%)
Data depth
85 days, 3 price changes
Enough history to judge this against real observed movement.
Tracked for 85 days. Last price change: 2026-09-24. Recorded 3 price changes. The average price is $1204.79. The price has ranged from $1129.99 to $1343.99. The current price of $1209.99 is 0% above average.
Lowest
$1129.99
Highest
$1343.99
Average
$1204.79
Tracked
85 days
Price Changes
3
Last price change
2026-09-24
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Live Offers
3 retailers list PWS MK109 MOD 1-M UPPER 300BLK 9.75"; 3 in stock, in-stock prices run $1209.95 to $1209.99.
Best Price History Across Offers
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Insights
Recent Price Drop
Dropped $134.00 (10.0%) since 2026-09-23.