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Holosun HS403BFDE 403 Flat Dark Earth 1 x 20 mm 2 MOA Red Dot

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$149.03

product code:HS403BFDE

UPC:605930624762

Brand:Holosun

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availability:Currently out of Stock

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HS403B-FDE is a 20mm micro sight designed for rifle and carbine applications. HS403B features Holosuns Red Super LED with 50k hour battery life, 10 daylight and 2 night vision compatible reticle intensity settings. Its housing is made from 6061 aluminum and includes both a lower 1/3 co-witness mount (1.63) and a low mount (.75) for low-comb height rifle applications. Additional features include Shake Awake technology, digital buttons for setting changes, rubber lens covers, and a side-mounted battery tray for the 2032 battery. HS403B is a versatile sight for users of all levels.
Magnification 1x
Objective 20mm
Field of View
Eye Relief Unlimited
Dot Size 2 MOA
Tube Diameter 20 MM
Length 2.45"
Weight 2.82 oz
Finish
Battery CR2032
Reticle Red Dot
Adjustment Size 0.50 MOA
Proofs IP67 Waterproof
Optic Coating Multi-Coated
Windage Elevation Adjustable

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Error Occurred While Processing Request The web site you are accessing has experienced an unexpected error.
Please contact the website administrator.

The following information is meant for the website developer for debugging purposes.
Error Occurred While Processing Request

Element QOH is undefined in GETQOH.

 
The error occurred in C:/home/magnoliadefense.com/wwwroot/vendproduct.cfm: line 1913
Called from C:/home/magnoliadefense.com/wwwroot/vendproduct.cfm: line 1876
Called from C:/home/magnoliadefense.com/wwwroot/vendproduct.cfm: line 1859
Called from C:/home/magnoliadefense.com/wwwroot/vendproduct.cfm: line 1820
Called from C:/home/magnoliadefense.com/wwwroot/vendproduct.cfm: line 1
Called from C:/home/magnoliadefense.com/wwwroot/router.cfm: line 24
 
1911 : 					<cfif val(remoteproduct.qoh) gt 0 >
1912 : 						"availability": "http://schema.org/InStock"
1913 : 					<cfelseif val(getqoh.QOH) gt 0>
1914 : 						"availability": "http://schema.org/InStock"
1915 : 						<cfelse>
Resources:

Browser   Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
Remote Address   216.73.216.2
Referrer  
Date/Time   23-Sep-25 10:56 AM
Stack Trace
at cfvendproduct2ecfm1924764547._factor64(C:/home/magnoliadefense.com/wwwroot/vendproduct.cfm:1913) at cfvendproduct2ecfm1924764547._factor67(C:/home/magnoliadefense.com/wwwroot/vendproduct.cfm:1876) at cfvendproduct2ecfm1924764547._factor68(C:/home/magnoliadefense.com/wwwroot/vendproduct.cfm:1859) at cfvendproduct2ecfm1924764547._factor70(C:/home/magnoliadefense.com/wwwroot/vendproduct.cfm:1820) at cfvendproduct2ecfm1924764547.runPage(C:/home/magnoliadefense.com/wwwroot/vendproduct.cfm:1) at cfrouter2ecfm1003114056.runPage(C:/home/magnoliadefense.com/wwwroot/router.cfm:24) 

coldfusion.runtime.UndefinedElementException: Element QOH is undefined in GETQOH.
	at coldfusion.runtime.CfJspPage.resolveCanonicalName(CfJspPage.java:2855)
	at coldfusion.runtime.CfJspPage._resolve(CfJspPage.java:2678)
	at coldfusion.runtime.CfJspPage._resolve(CfJspPage.java:2655)
	at coldfusion.runtime.CfJspPage._resolveAndAutoscalarize(CfJspPage.java:2964)
	at cfvendproduct2ecfm1924764547._factor64(C:\home\magnoliadefense.com\wwwroot\vendproduct.cfm:1913)
	at cfvendproduct2ecfm1924764547._factor67(C:\home\magnoliadefense.com\wwwroot\vendproduct.cfm:1876)
	at cfvendproduct2ecfm1924764547._factor68(C:\home\magnoliadefense.com\wwwroot\vendproduct.cfm:1859)
	at cfvendproduct2ecfm1924764547._factor70(C:\home\magnoliadefense.com\wwwroot\vendproduct.cfm:1820)
	at cfvendproduct2ecfm1924764547.runPage(C:\home\magnoliadefense.com\wwwroot\vendproduct.cfm:1)
	at coldfusion.runtime.CfJspPage.invoke(CfJspPage.java:251)
	at coldfusion.tagext.lang.IncludeTag.handlePageInvoke(IncludeTag.java:749)
	at coldfusion.tagext.lang.IncludeTag.doStartTag(IncludeTag.java:578)
	at coldfusion.runtime.CfJspPage._emptyTcfTag(CfJspPage.java:5083)
	at cfrouter2ecfm1003114056.runPage(C:\home\magnoliadefense.com\wwwroot\router.cfm:24)
	at coldfusion.runtime.CfJspPage.invoke(CfJspPage.java:251)
	at coldfusion.tagext.lang.IncludeTag.handlePageInvoke(IncludeTag.java:749)
	at coldfusion.tagext.lang.IncludeTag.doStartTag(IncludeTag.java:578)
	at coldfusion.filter.CfincludeFilter.invoke(CfincludeFilter.java:65)
	at coldfusion.filter.ApplicationFilter.invoke(ApplicationFilter.java:613)
	at coldfusion.filter.RequestMonitorFilter.invoke(RequestMonitorFilter.java:43)
	at coldfusion.filter.MonitoringFilter.invoke(MonitoringFilter.java:40)
	at coldfusion.filter.PathFilter.invoke(PathFilter.java:162)
	at coldfusion.filter.IpFilter.invoke(IpFilter.java:45)
	at coldfusion.filter.ExceptionFilter.invoke(ExceptionFilter.java:97)
	at coldfusion.filter.ClientScopePersistenceFilter.invoke(ClientScopePersistenceFilter.java:28)
	at coldfusion.filter.BrowserFilter.invoke(BrowserFilter.java:38)
	at coldfusion.filter.NoCacheFilter.invoke(NoCacheFilter.java:60)
	at coldfusion.filter.GlobalsFilter.invoke(GlobalsFilter.java:38)
	at coldfusion.filter.DatasourceFilter.invoke(DatasourceFilter.java:22)
	at coldfusion.filter.CachingFilter.invoke(CachingFilter.java:62)
	at coldfusion.CfmServlet.service(CfmServlet.java:231)
	at coldfusion.bootstrap.BootstrapServlet.service(BootstrapServlet.java:311)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:199)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
	at coldfusion.monitor.event.MonitoringServletFilter.doFilter(MonitoringServletFilter.java:46)
	at coldfusion.bootstrap.BootstrapFilter.doFilter(BootstrapFilter.java:47)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:168)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357)
	at org.apache.coyote.ajp.AjpProcessor.service(AjpProcessor.java:448)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:936)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1791)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
	at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1190)
	at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63)
	at java.base/java.lang.Thread.run(Thread.java:842)