AR15 SPR Straight Top Rail for Gen II Forearms
This rifle length SPR Straight top rail is a full Picatinny rail that connects the receiver to the forearm. This top requires the 8.5" rail with lugs in order to connect top rail to forearm. This creates a rigid platform ideal for mounting accessories. This top rail works with both the Gen II round forearms as well as the Octagonal forearm with M-LOK.
PRI rifle length SPR Straight top rail is a full length rail is 17 5/8" in length, with 3 crossbolts that fasten the top rail to the receiver and 2 1/4-20 flat head that secure the top rail to the forearm rail to create a ridged platform. The Straight top rail weighs .615lbs. The rail is constructed of T6 6061 hard coat anodized aluminum and can be cerakote Flat Dark Earth. The rail adds .450 in elevation over the receiver. This top rail works with bot the Gen II round forearms and the Octagonal design.
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