
In Stock
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parts
Last Seen
May 21, 2026
AR-STONER Knurled AR-15 Ejection Port Cover Pin
Sold byMidwayUSA•Posted Apr 27, 2026
Compare prices for AR-STONER Knurled AR-15 Ejection Port Cover Pin$2.79
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The AR-STONER Ejection Port Cover Pin is the answer we have all been waiting for. Have you ever lost the hinge pin snap ring or C-clip when assembling your AR-15 upper receiver? AR-STONER has you covered with the Ejection Port Cover Knurled Pin. The knurling on the end of the pin keeps the pin from sliding to far to the rear, and the handguard blocks it from sliding forward. No Ejection Port Cover Hinge Pin Snap Ring required! Note: Intended for forged, mil-spec and similar A3 uppers only, will
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