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Bezel Diameter: 1
The DELTA 556 also excels in flash suppression
-Each target spins and locks in an upright position as a bullet strikes
The hefty 1-1/4oz payload of #4 shot provides excellent energy transfer and penetration at extended ranges
CMMG BARREL W/BOLT KIT 9MM 5" RDB BLACK Tools Bezel Diameter: 1Enhance your AR 15 platform with the CMMG 5" 9mm Radial Delayed Blowback (RDB) Barrel and Bolt Kit. This precision engineered kit is designed to deliver exceptional performance and reliability in compact 9mm builds. The barrel is crafted from 4140CM steel with a Salt Bath Nitride (SBN) finish for superior durability and corrosion resistance. The included RDB bolt is specifically designed to work with CMMG's innovative Radial Delayed Blowback system,