RTG Parts Posted December 14, 2018 Report Share Posted December 14, 2018 We have a fix for your ban-state blues. AR15 flat top, big hole, upper receiver for Colt SP1 and Colt sporter lowers. AR15 FLAT TOP BIG HOLE UPPER RECEIVER FOR COLT SP1 $199.95 https://www.robertrtg.com/store/pc/AR15-FLAT-TOP-BIG-HOLE-UPPER-RECEIVER-FOR-COLT-SP1-6p6743.htm * Made from a 7075-T6 aluminum forging * Mil-Spec hardcoat anodized Colt Grey. A great match for Colt lowers. * .315 front pin hole that fits early Colt lowers and the SP1. * Picatinny Rail * M4 Feed Ramps * Weight: 6.9 ounces Thanks for looking and Happy Shooting! RTG Parts 931 Frank St. Sheridan, WY 82801 Phone: 307-675-1191 Web: www.robertrtg.com Quote Link to comment Share on other sites More sharing options...
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