M4 Barrel Extension (M4 Feedramps)

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Stock Status: In Stock
For your AR15, M16, M4. For use by barrel manufacturers. Use this M4 Barrel extention with M4 feedramps. For new construction barrels only.
***This product contains chemicals/materials known to the State of California to cause cancer and other reproductive harm. To learn more, visit www.p65warnings.ca.gov.***

1 Review

  • 4
    M4 Barrel Extension (M4 Feedramps)

    Posted by David Duffy on May 4th 2016

    Not yet installed. Should come with an index pin and it did not. Pin not offered on the site?