| M4 feedramps | |
|---|---|
| Type | Part of feeding mechanism for AR/M16 weapons system |
| Place of origin |  United States |
M4 feedramps are extended from the barrel extension into the upper receiver. This can help alleviate feeding problems which may occur as a result of the increased pressure of the shortened gas system of the M4. This problem is primarily seen in full-auto applications. While some feel they are unnecessary, their perceived or real utility to others has led to the increasing availability of this feature on civilian AR15 products.
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