Magpul PMAG M3 300 B AR-15 Magazine 300 Blackout 20-Round Polymer Black

Name: Magpul PMAG M3 300 B AR-15 Magazine 300 Blackout 20-Round Polymer Black
Brand: Magpul
SKU: 799405

$15.15

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Against lowest Matches lowest seen

Typical price Near typical ($15.15)

Data depth 130 days, 0 price changes

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The advertised price has held at $15.15 since tracking began on May 19, 2026; no price changes recorded.

4 retailers list Magpul PMAG M3 300 B AR-15 Magazine 300 Blackout 20-Round Polymer Black; 4 in stock, in-stock prices run $15.15 to $18.99.