Expert Answer
The Radian Weapons Ultralight AR15 QD Endplate will work with Mil-Spec Lower Receivers. A lot of end plates have a slide protrusion to align with the rear of the lower receiver.
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Radian Weapons
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Gun Parts
Radian Weapons Gun Parts
Radian Weapons Ultralight AR15 QD Endplate
Radian Weapons Ultralight AR15 QD Endplate Q&A
Question - This QD end plate isn't flat--it has a backside protrus
Radian Weapons
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Gun Parts
Radian Weapons Gun Parts
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AR 15 Parts
Radian Weapons AR15 Parts
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AR15 Lower Parts
Radian Weapons AR15 Lower Parts
Radian Weapons Ultralight AR15 QD Endplate
Radian Weapons Ultralight AR15 QD Endplate Q&A
Question - This QD end plate isn't flat--it has a backside protrus
Radian Weapons
+
Gun Parts
Radian Weapons Gun Parts
+
Rifle Parts
Radian Weapons Rifle Parts
+
AR 15 Parts
Radian Weapons AR15 Parts
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AR15 Lower Parts
Radian Weapons AR15 Lower Parts
Radian Weapons Ultralight AR15 QD Endplate
Radian Weapons Ultralight AR15 QD Endplate Q&A
Question - This QD end plate isn't flat--it has a backside protrus
Radian Weapons
+
Gun Parts
Radian Weapons Gun Parts
+
AR 15 Parts
Radian Weapons AR15 Parts
Radian Weapons Ultralight AR15 QD Endplate
Radian Weapons Ultralight AR15 QD Endplate Q&A
Question - This QD end plate isn't flat--it has a backside protrus
Radian Weapons
+
Gun Parts
Radian Weapons Gun Parts
+
Rifle Parts
Radian Weapons Rifle Parts
+
AR 15 Parts
Radian Weapons AR15 Parts
Radian Weapons Ultralight AR15 QD Endplate
Radian Weapons Ultralight AR15 QD Endplate Q&A
Question - This QD end plate isn't flat--it has a backside protrus
Radian Weapons
+
Gun Parts
Radian Weapons Gun Parts
+
Rifle Parts
Radian Weapons Rifle Parts
Radian Weapons Ultralight AR15 QD Endplate
Radian Weapons Ultralight AR15 QD Endplate Q&A
Question - This QD end plate isn't flat--it has a backside protrus
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This QD end plate isn't flat--it has a backside protrusion. Is it only compatible w/ lower receivers having a hole that accommodates the protrusion? — 1 Answer
by Polergreekan, from IL, United States Asked on June 13, 2022
Radian Weapons
+
Gun Parts
Radian Weapons Gun Parts
Radian Weapons Ultralight AR15 QD Endplate
Radian Weapons Ultralight AR15 QD Endplate Q&A
Question - This QD end plate isn't flat--it has a backside protrus
Radian Weapons
+
Gun Parts
Radian Weapons Gun Parts
+
AR 15 Parts
Radian Weapons AR15 Parts
+
AR15 Lower Parts
Radian Weapons AR15 Lower Parts
Radian Weapons Ultralight AR15 QD Endplate
Radian Weapons Ultralight AR15 QD Endplate Q&A
Question - This QD end plate isn't flat--it has a backside protrus
Radian Weapons
+
Gun Parts
Radian Weapons Gun Parts
+
Rifle Parts
Radian Weapons Rifle Parts
+
AR 15 Parts
Radian Weapons AR15 Parts
+
AR15 Lower Parts
Radian Weapons AR15 Lower Parts
Radian Weapons Ultralight AR15 QD Endplate
Radian Weapons Ultralight AR15 QD Endplate Q&A
Question - This QD end plate isn't flat--it has a backside protrus
Radian Weapons
+
Gun Parts
Radian Weapons Gun Parts
+
AR 15 Parts
Radian Weapons AR15 Parts
Radian Weapons Ultralight AR15 QD Endplate
Radian Weapons Ultralight AR15 QD Endplate Q&A
Question - This QD end plate isn't flat--it has a backside protrus
Radian Weapons
+
Gun Parts
Radian Weapons Gun Parts
+
Rifle Parts
Radian Weapons Rifle Parts
+
AR 15 Parts
Radian Weapons AR15 Parts
Radian Weapons Ultralight AR15 QD Endplate
Radian Weapons Ultralight AR15 QD Endplate Q&A
Question - This QD end plate isn't flat--it has a backside protrus
Radian Weapons
+
Gun Parts
Radian Weapons Gun Parts
+
Rifle Parts
Radian Weapons Rifle Parts
Radian Weapons Ultralight AR15 QD Endplate
Radian Weapons Ultralight AR15 QD Endplate Q&A
Question - This QD end plate isn't flat--it has a backside protrus
Last updated 2026-05-30 UTC.