编辑“︁.300 AAC Blackout”︁（章节）

===荷蘭===
2015年7月，[[荷兰|荷蘭]]國防物資組織代表{{link-en|荷蘭海上特種作戰部隊|Dutch Maritime Special Operations Force}}（NL-MARSOF）發布招標，採購195支使用.300 BLK口徑的卡賓槍。此次採購計畫包括使用普通彈、亞音速彈和無鉛易碎彈，這標誌著.300 AAC Blackout彈藥首次被正式採用到軍事領域。<ref>{{cite news|last=Wilk|first=Remigiusz|title=Dutch special forces to buy carbines chambered in 300 BLK |url=http://www.janes.com/article/52727/dutch-special-forces-to-buy-carbines-chambered-in-300-blk |date=July 2, 2015 |newspaper=Janes Defence |accessdate=July 4, 2015|archiveurl=https://web.archive.org/web/20160304075509/http://www.janes.com/article/52727/dutch-special-forces-to-buy-carbines-chambered-in-300-blk|archive-date=March 4, 2016}}</ref> 2016年12月，{{link-en|荷蘭海上特種作戰部隊|Dutch Maritime Special Operations Force}}(NL-MARSOF) 採購了195支配備新型折疊槍託的SIG MCX卡賓槍，該槍配有整體式消音器，專為與防彈頭盔配合使用而開發，使用.300 AAC blackout彈藥，NL-MARSOF成為第一個公開使用該軍事用戶的軍事用戶。<ref name="JanesNLD">{{cite web|url=http://www.janes.com/article/65747/sig-mcx-rifles-delivered-to-dutch-special-forces|title=SIG MCX rifles delivered to Dutch special forces|date=24 November 2016|first=Remigiusz|last=Wilk|access-date=November 8, 2017|archive-url=https://web.archive.org/web/20171109023100/http://www.janes.com/article/65747/sig-mcx-rifles-delivered-to-dutch-special-forces|archive-date=November 9, 2017|url-status=dead }}</ref>
<ref name="TFBNLD">{{cite web|url=http://www.thefirearmblog.com/blog/2016/12/09/dutch-marsof-officially-purchase-300-blk-sig-mcx-rifles/|title=Dutch MARSOF officially purchase .300 BLK SIG MCX Rifles|date=9 December 2016|website=The Firearms Blog|archiveurl=https://web.archive.org/web/20230409035556/https://www.thefirearmblog.com/blog/2016/12/09/dutch-marsof-officially-purchase-300-blk-sig-mcx-rifles/|archive-date=April 9, 2023}}</ref>