<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2026"
  xmlns:exch="http://xbrl.sec.gov/exch/2026"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:pew="http://grabagun.com/20260623"
  xmlns:us-gaap="http://fasb.org/us-gaap/2026"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="pew-20260623.xsd" xlink:type="simple"/>
    <context id="C_a2c889bf-fc75-49ab-a1ce-e84531bc4acf">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0002051380</identifier>
        </entity>
        <period>
            <startDate>2026-06-23</startDate>
            <endDate>2026-06-23</endDate>
        </period>
    </context>
    <context id="C_b9b1c3c5-f662-47b0-a43f-01d4eb5f5ca5">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0002051380</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">pew:XCHIMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-23</startDate>
            <endDate>2026-06-23</endDate>
        </period>
    </context>
    <context id="C_fcdffab1-b37c-4ac9-87be-81c2a837b884">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0002051380</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">pew:RedeemableWarrantsEachWholeWarrantExercisableForOneShareOfCommonStockAtExercisePriceOf1150PerShareMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-23</startDate>
            <endDate>2026-06-23</endDate>
        </period>
    </context>
    <context id="C_1f2827ea-7bdd-4580-b841-48f81f890281">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0002051380</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">exch:XNYS</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-23</startDate>
            <endDate>2026-06-23</endDate>
        </period>
    </context>
    <dei:AmendmentFlag
      contextRef="C_a2c889bf-fc75-49ab-a1ce-e84531bc4acf"
      id="F_525859e8-4472-472c-afcb-db99f0fd47c9">false</dei:AmendmentFlag>
    <dei:EntityCentralIndexKey
      contextRef="C_a2c889bf-fc75-49ab-a1ce-e84531bc4acf"
      id="F_a81cc588-5d72-41b0-a2a6-f0b646c020a1">0002051380</dei:EntityCentralIndexKey>
    <dei:SecurityExchangeName
      contextRef="C_b9b1c3c5-f662-47b0-a43f-01d4eb5f5ca5"
      id="F_c16c3e47-b1b6-4b8d-bcf0-5a9a2635d4a4">NYSETX</dei:SecurityExchangeName>
    <dei:DocumentType
      contextRef="C_a2c889bf-fc75-49ab-a1ce-e84531bc4acf"
      id="F_28000131-2ebd-43cc-b998-662be44cdaf6">8-K</dei:DocumentType>
    <dei:DocumentPeriodEndDate
      contextRef="C_a2c889bf-fc75-49ab-a1ce-e84531bc4acf"
      id="F_7f2ad0e1-e86a-4ea2-8610-36597e27e4ca">2026-06-23</dei:DocumentPeriodEndDate>
    <dei:EntityRegistrantName
      contextRef="C_a2c889bf-fc75-49ab-a1ce-e84531bc4acf"
      id="F_28878e07-08bd-440b-a548-1d4b4d8affff">GrabAGun Digital Holdings Inc.</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode
      contextRef="C_a2c889bf-fc75-49ab-a1ce-e84531bc4acf"
      id="F_59e90a9b-f9f4-40f4-ae7f-bd695bc4c89d">TX</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber
      contextRef="C_a2c889bf-fc75-49ab-a1ce-e84531bc4acf"
      id="F_3d5663cb-1133-4049-9638-9565bbd572b8">001-42748</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber
      contextRef="C_a2c889bf-fc75-49ab-a1ce-e84531bc4acf"
      id="F_d88f7a53-bba7-454e-a918-96f7ee5857b5">33-4289144</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1
      contextRef="C_a2c889bf-fc75-49ab-a1ce-e84531bc4acf"
      id="F_dabe2dd0-feae-483c-8143-c8754e417ad5">200 East Beltline Road, </dei:EntityAddressAddressLine1>
    <dei:EntityAddressAddressLine2
      contextRef="C_a2c889bf-fc75-49ab-a1ce-e84531bc4acf"
      id="F_c4798054-fa39-42cd-b08e-af60e1438e45">Suite 403</dei:EntityAddressAddressLine2>
    <dei:EntityAddressCityOrTown
      contextRef="C_a2c889bf-fc75-49ab-a1ce-e84531bc4acf"
      id="F_a3d81a2f-20ab-4bc1-93ca-ebf1105474a0">Coppell</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince
      contextRef="C_a2c889bf-fc75-49ab-a1ce-e84531bc4acf"
      id="F_6b8b0941-e96f-4019-bd98-a40e7ff82a0f">TX</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode
      contextRef="C_a2c889bf-fc75-49ab-a1ce-e84531bc4acf"
      id="F_caa65c71-b51c-4688-a3f0-9033a59477a5">75019</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode
      contextRef="C_a2c889bf-fc75-49ab-a1ce-e84531bc4acf"
      id="F_45ef3a01-179f-43df-bb43-62a999538c38">972</dei:CityAreaCode>
    <dei:LocalPhoneNumber
      contextRef="C_a2c889bf-fc75-49ab-a1ce-e84531bc4acf"
      id="F_f5781e3a-73fa-40fc-8be3-9e4afcbad3b4">552-7246</dei:LocalPhoneNumber>
    <dei:WrittenCommunications
      contextRef="C_a2c889bf-fc75-49ab-a1ce-e84531bc4acf"
      id="F_2324a3b4-9620-43ec-ab78-b63b83eecfd8">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial
      contextRef="C_a2c889bf-fc75-49ab-a1ce-e84531bc4acf"
      id="F_2f9713f9-fbd2-4d00-b24c-c7f72acb914b">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer
      contextRef="C_a2c889bf-fc75-49ab-a1ce-e84531bc4acf"
      id="F_e3830484-dc77-4c54-ba40-5b885fca1f4c">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer
      contextRef="C_a2c889bf-fc75-49ab-a1ce-e84531bc4acf"
      id="F_58b919b2-668f-479a-a357-35fdd168895a">false</dei:PreCommencementIssuerTenderOffer>
    <dei:Security12bTitle
      contextRef="C_1f2827ea-7bdd-4580-b841-48f81f890281"
      id="F_974da4d6-4c01-4116-b98f-b864e28fd98a">Common stock, par value $0.0001 per share</dei:Security12bTitle>
    <dei:Security12bTitle
      contextRef="C_b9b1c3c5-f662-47b0-a43f-01d4eb5f5ca5"
      id="F_964e6b19-a17e-49ef-b3d3-e58f93ddb655">Common stock, par value $0.0001 per share</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="C_1f2827ea-7bdd-4580-b841-48f81f890281"
      id="F_43460504-71f6-46f1-a79e-d21ff2f996eb">PEW</dei:TradingSymbol>
    <dei:TradingSymbol
      contextRef="C_b9b1c3c5-f662-47b0-a43f-01d4eb5f5ca5"
      id="F_efb70889-1a9a-44c0-a95c-349628132918">PEW</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="C_1f2827ea-7bdd-4580-b841-48f81f890281"
      id="F_57dba963-815a-4113-91c6-566c20523ca5">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="C_fcdffab1-b37c-4ac9-87be-81c2a837b884"
      id="F_fa95d451-ddc0-4991-8732-670e3260b18c">Redeemable warrants, each whole warrant exercisable for one share of common stock at an exercise price of $11.50 per share</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="C_fcdffab1-b37c-4ac9-87be-81c2a837b884"
      id="F_1eb8c227-9f8a-4ebe-9ffc-2dfafb2f158d">PEWW</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="C_fcdffab1-b37c-4ac9-87be-81c2a837b884"
      id="F_e4c6958f-f167-4437-a716-7a2875d89f7e">NYSE</dei:SecurityExchangeName>
    <dei:EntityEmergingGrowthCompany
      contextRef="C_a2c889bf-fc75-49ab-a1ce-e84531bc4acf"
      id="F_a24c959b-0d3e-4a1b-b1e7-a70be443a7b6">true</dei:EntityEmergingGrowthCompany>
    <dei:EntityExTransitionPeriod
      contextRef="C_a2c889bf-fc75-49ab-a1ce-e84531bc4acf"
      id="F_879c777f-feca-4fb7-a48b-567fbf63d59e">false</dei:EntityExTransitionPeriod>
</xbrl>
