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I just bought a R1 Tactical AR Ultralight QD End Plate and Castle Nut - Silver.. I haven't staked it yet. Will these parts be compatible? — 1 Answer

by Rocco, from IL, United States Asked on November 23, 2022

Name Guntec USA AR-15 Mil-Spec Buffer Tube Set (3.7)
As Low As $61.99 Save Up to 14%
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Answered by Hunter, Gear Expert, from OH, United States, on November 30, 2022

The R1 Tactical AR Ultralight QD End Plate and Castle Nut should work fine with the Guntec USA AR-15 Mil-Spec Buffer Tube Set.

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Last updated 2025-11-12 UTC.