Editing M1911 pistol (section)

===M45A1===
In July 2012, the USMC awarded Colt a $22.5 million contract for up to 12,000 M45A1 pistols with an initial order of 4036 pistols to replace the M45 MEU(SOC) pistol.<ref name="Marines_order_M1911">{{cite news |url=https://www.foxnews.com/us/sticking-to-their-guns-marines-place-22-5m-order-for-the-colt-45-m1911 |title=Sticking to their guns: Marines place $22.5M order for the Colt .45 M1911 |first=Maegan |last=Vasquez |publisher=Fox News |date=28 July 2012 |access-date=20 August 2012 |archive-url=https://web.archive.org/web/20120809144416/http://www.foxnews.com/us/2012/07/28/marines-pay-22m-to-go-back-to-their-old-guns-colt-45-caliber-pistols/ |archive-date=9 August 2012 |url-status=live }}</ref><ref>{{cite press release |title=Colt Defense LLC Announces Award of Marine Corps M45 Close Quarter Battle Pistol (CQBP) Contract |url=http://www.colt.com/ColtMilitary/News/tabid/84/articleType/ArticleView/articleId/54/Colt-Defense-LLC-Announces-Award-of-Marine-Corps-M45-Close-Quarter-Battle-Pistol-CQBP-Contract.aspx |website=Colt Defense LLC |archive-url=https://web.archive.org/web/20120829131746/http://www.colt.com/ColtMilitary/News/tabid/84/articleType/ArticleView/articleId/54/Colt-Defense-LLC-Announces-Award-of-Marine-Corps-M45-Close-Quarter-Battle-Pistol-CQBP-Contract.aspx |archive-date=29 August 2012 |date=20 July 2012 |url-status=dead}}</ref> 

The Marine Corps issued the M45A1 to Force Reconnaissance companies, [[United States Marine Forces Special Operations Command|Marine Corps Special Operations Command]] (MARSOC) and [[Special Reaction Team]]s from the Provost Marshal’s Office.<ref name="USMC2013">{{cite press release |author1=Cpl. Mark W. Stroud |title=Reconnaissance Marines train with Close-Quarters Battle Pistol |url=https://www.marines.mil/News/News-Display/Article/532208/reconnaissance-marines-train-with-close-quarters-battle-pistol/ |website=United States Marine Corps |access-date=25 August 2022 |date=18 July 2013}}</ref> 

The new 1911 was designated M45A1 or "Close Quarters Battle Pistol" CQBP. The M45A1 features a dual recoil spring assembly, Picatinny rails and is cerakoted tan in color.

In 2019, the USMC selected the [[SIG Sauer M18]] to replace the M45A1.<ref>{{cite press release |title=U.S. Marine Corps Adoption of M18 Underscores Success of SIG SAUER Modular Handgun System Program |url=https://www.sigsauer.com/blog/u-s-marine-corps-adoption-of-m18-underscores-success-of-sig-sauer-modular-handgun-system-program |website=SIG SAUER |access-date=27 August 2022 |date=17 June 2019}}</ref> The Marines began the roll out of the M18 in 2020.<ref>{{cite press release |author1=Matt Gonzales, Marine Corps Systems Command |title=Marine Corps fields first new service pistol In 35 years |url=https://www.marines.mil/News/News-Display/Article/2358194/marine-corps-fields-first-new-service-pistol-in-35-years/ |website=United States Marine Corps |access-date=27 August 2022 |date=23 September 2020}}</ref> The replacement was completed by October 2022.<ref>{{cite web |last1=Trevithick |first1=Joseph |url=https://www.thedrive.com/the-war-zone/iconic-1911-pistols-are-finally-gone-from-marine-corps-service |title=Iconic 1911 Pistols Have Finally Been Retired From Marine Corps Service |website=thedrive.com |archive-url=https://web.archive.org/web/20231008020638/https://www.thedrive.com/the-war-zone/iconic-1911-pistols-are-finally-gone-from-marine-corps-service |archive-date=8 October 2023 |access-date=24 October 2023 |date=21 June 2023}}</ref>