Ergo Gapper Black Rubber Fits AR-Platform Fits M4

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Ergo 4085 Gapper Black Rubber Fits AR-Platform Fits M4

Fills the gap between the trigger guard and the pistol grip on the AR/M4 and cushions your knuckle, prevents abrasion to your finger, and provides a more finished look to your rifle. The GAPPER is chemical resistant, clips in easily, and secures with a tight friction fit.