RTG Parts Posted May 18, 2022 Report Share Posted May 18, 2022 Colt's Manufacturing Part Number SP63528. Flat Top Upper Receiver with M4 Feed Ramp, Dust Cover and Forward Assist installed. New in box, Mil-spec quality straight from Colt! COLT FLAT TOP UPPER W/ DUST COVER, FORWARD ASSIST, M4 FEED RAMP, $168.95 https://www.robertrtg.com/store/pc/COLT-FLAT-TOP-UPPER-W-DUST-COVER-FORWARD-ASSIST-M4-FEED-RAMP-413p7378.htm Thanks for looking and happy shooting! RTG Parts 931 Frank St. Sheridan, WY 82801 Phone: 307-675-1191 Email: darwin@rtgparts.com Quote Link to comment Share on other sites More sharing options...
Rooster2412 Posted May 21, 2022 Report Share Posted May 21, 2022 roll marked or dot matrix cage code marked ? Quote Link to comment Share on other sites More sharing options...
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