Overview Reviews Product Description CMMG AR Parts Kit, HD Pivot and Takedown Pins, Black Finish 55AFF3B Product Videos Product Reviews Write a Review Write a Review × CMMG CMMG PARTS KIT AR15 HD PIVOT TD PINS Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *