Knights Armament | 5.56mm QDC/MCQ-PRT

Addition to Bare Muzzle: 3.85″ (9.78cm)
Addition to QDC 3-prong FH: 2.33″ (5.92cm)
Overall Length: 4.43″ (11.25cm)
Weight: 13.9oz (395g)
Sound Reduction: 12dB