The US Special Operations Command (USSOCOM) has released a request for information (RFI) for the possible procurement of 550 conversion kits for the M4A1 carbine to create a Personal Defence Weapon (PDW) in 5.56x45 mm and 7.62x35 mm (300 BLK) calibres.
The complete PDW Kit should include an upper receiver with a buttstock kit, tools required to complete an operational conversion, and a light and sound reducing suppressor for 5.56 mm and 7.62 mm calibres.
The upper receiver requires a quick change 5.56 mm barrel that can be swapped from 7.62x35 mm (300 BLK) to 5.56x45 mm in three minutes or less.
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