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The TopStop cover is designed to snap on most AR15 or M4 type upper receivers when they are detached from the lower receiver. The TopStop completely seals the upper receiver preventing fouling from getting in or out and it stops the bolt carrier group and charging handle from sliding out as the upper is moved around.
Features :
Features :
- Designed to Snap on Most AR15 or M4 Type Upper Receivers
- Tough Polymer Construction
- Will Only Fit Uppers that Are Detached From the Lower
WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to - www.P65Warnings.ca.gov.
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