Toggle menu
6784259585
  • Gift Certificate
  • LoginorSign Up
  • 0
BRP CORP
×
×

    Main Menu

  • Blog
  • Contact
  • Shipping & Returns
  • Shop By Category

  • Parts and Kits Web Store
    • British Firearm Parts and Accessories
      • SMLE No 1 and No 4
      • Vickers Machine Gun
      • BREN
      • STEN
      • Military S&W and Webly Pistol Parts
      • Lewis Machinegun .303
      • P14, No.3, & P17 Rifle
      • British Mortar and Cannon Parts and Accessories
      • Boys Anti-Tank Rifle RB Mk1
      • Signal Pistols
    • German WW2 Firearm Parts and Accessories
      • K98 Parts
      • MG34 Parts
      • MG42 Parts
      • MG34/42 Belts, Boxes, & Drums
      • MP40 Parts and Mags
      • MP28 & MP34 Magazines
      • Sturmgewehr Magazines
      • German WW2 Flare Guns
      • 2 cm Flak 38 Magazines
    • US Firearm Parts and Accessories
      • Browning 1919 and M2 .50
      • M249
      • M1 Garand
      • P17 Rifle Parts
      • 1903 Springfield
      • USGI Thompson
      • BAR
      • AR-15 / M16
      • Other GI Gun Parts and Accessories
    • Yugoslavian Military Gear
    • MAXIM Guns
    • Steyr AUG
    • PPS43
    • Italian Breda Machine Gun
    • Uzi Parts
    • AK Parts and Mags
    • Suomi KP31 & Swed 37 SMG
      • Suomi Project Gun Parts
      • Suomi KP31 & Swed 37 SMG KITS
      • Finnish KP31 Individual Parts
      • Swedish M37/39 Individual Parts
      • Hand Select Premium Suomi Stocks
      • Standard and Blemished Suomi Stocks
    • Misc Machineguns Parts & Kits
    • Clearance
    • Czech Parts - VZ an UK
    • Military Gear
    • Parts By the 100
      • No1 & No4 Rifles
  • Semi Auto Firearms
    • XMG Belt-Fed AR-15/M16 Upper Receiver
    • MG42 Semi Auto
      • MG42 Semi Receiver Parts
      • MG42 Semi Auto Bolt Parts
      • MG42 Semi Auto Trigger Parts
  • Transferable Machine Guns
    • Stemple 76/45 Takedown Guns (STG)
      • U45
      • STG U9 & U9-SF
      • STG 76W (Stemple-Suomi)
      • Stemple 76/45: STG M1A1/1928 Setup
      • STG 34k
      • STG U7.62
      • STG 76
      • STG Tech Support
    • Stemple 76/45 News
    • Buying a Transferable Machinegun
    • Stemple 76/45: Replacement Parts
    • Custom Shop
  • Collector Guns
  • Silencers
  • Ammo
  • Collector Books
  • Shop By Brand

  • View all Brands
  • Gift Certificates
  • Login or Sign Up
×

    Main Menu

  • Blog
  • Contact
  • Shipping & Returns
  • Shop By Category

  • Parts and Kits Web Store
    • British Firearm Parts and Accessories
      • SMLE No 1 and No 4
      • Vickers Machine Gun
      • BREN
      • STEN
      • Military S&W and Webly Pistol Parts
      • Lewis Machinegun .303
      • P14, No.3, & P17 Rifle
      • British Mortar and Cannon Parts and Accessories
      • Boys Anti-Tank Rifle RB Mk1
      • Signal Pistols
    • German WW2 Firearm Parts and Accessories
      • K98 Parts
      • MG34 Parts
      • MG42 Parts
      • MG34/42 Belts, Boxes, & Drums
      • MP40 Parts and Mags
      • MP28 & MP34 Magazines
      • Sturmgewehr Magazines
      • German WW2 Flare Guns
      • 2 cm Flak 38 Magazines
    • US Firearm Parts and Accessories
      • Browning 1919 and M2 .50
      • M249
      • M1 Garand
      • P17 Rifle Parts
      • 1903 Springfield
      • USGI Thompson
      • BAR
      • AR-15 / M16
      • Other GI Gun Parts and Accessories
    • Yugoslavian Military Gear
    • MAXIM Guns
    • Steyr AUG
    • PPS43
    • Italian Breda Machine Gun
    • Uzi Parts
    • AK Parts and Mags
    • Suomi KP31 & Swed 37 SMG
      • Suomi Project Gun Parts
      • Suomi KP31 & Swed 37 SMG KITS
      • Finnish KP31 Individual Parts
      • Swedish M37/39 Individual Parts
      • Hand Select Premium Suomi Stocks
      • Standard and Blemished Suomi Stocks
    • Misc Machineguns Parts & Kits
    • Clearance
    • Czech Parts - VZ an UK
    • Military Gear
    • Parts By the 100
      • No1 & No4 Rifles
  • Semi Auto Firearms
    • XMG Belt-Fed AR-15/M16 Upper Receiver
    • MG42 Semi Auto
      • MG42 Semi Receiver Parts
      • MG42 Semi Auto Bolt Parts
      • MG42 Semi Auto Trigger Parts
  • Transferable Machine Guns
    • Stemple 76/45 Takedown Guns (STG)
      • U45
      • STG U9 & U9-SF
      • STG 76W (Stemple-Suomi)
      • Stemple 76/45: STG M1A1/1928 Setup
      • STG 34k
      • STG U7.62
      • STG 76
      • STG Tech Support
    • Stemple 76/45 News
    • Buying a Transferable Machinegun
    • Stemple 76/45: Replacement Parts
    • Custom Shop
  • Collector Guns
  • Silencers
  • Ammo
  • Collector Books
  • Shop By Brand

  • View all Brands
  • Gift Certificates
  • Login or Sign Up
  • Home
  • Parts and Kits Web Store
  • British Firearm Parts and Accessories
  • SMLE No 1 and No 4
  • SMLE Tools
  • SM 139 Armorers Headspace Gauge for 303 - .064"
  • SM 139 Armorers Headspace Gauge for 303 - .064"
  • SM 139 Armorers Headspace Gauge for 303 - .064"
  • SM 139 Armorers Headspace Gauge for 303 - .064"
  • SM 139 Armorers Headspace Gauge for 303 - .064" SM 139 Armorers Headspace Gauge for 303 - .064" SM 139 Armorers Headspace Gauge for 303 - .064"

    SM 139 Armorers Headspace Gauge for 303 - .064"

    MSRP:
    Now: $45.00
    (You save )
    (No reviews yet) Write a Review
    SKU:
    200222-02
    Shipping:
    Calculated at Checkout

    Adding to cart… category.add_cart_announcement
    Add to Wish List
    • Create New Wish List
    • Facebook
    • Email
    • Print
    • Overview
    • Reviews

    Product Description

    Original (new in wrap) WW2 era Armourers Headspace Gauge.

    • SM 139 – Armourers, headspace, .064 in., No. 1

     

     

    They are typically used for the SMLE, BREN and Vickers to measure firing pin protrusion. .064"

     

    Useful Info

    Info for use in rifles:

    https://www.longrangehunting.com/threads/i-seriously-doubt-this-is-case-head-separation-but-what-do-you-guys-think.199051/page-7

    "Gauge SM139 is equivalent to a "GO" gauge and is mostly useable when re-barreling a rifle or fitting a new bolt head."

    (https://forums.gunboards.com/archive/index.php/t-816546.html)

     

     

    Info For Use in Vickers MMG:

    "Steel, low limit. Inserted in the extractor lip of the lock and into the chamber."

    https://vickersmg.blog/in-use/accessories/armourers-tools-and-gauges/

    Product Videos

    Custom Field

    Product Reviews

    Write a Review

    Write a Review

    ×
    SM 139 Armorers Headspace Gauge for 303 - .064"
    SM 139 Armorers Headspace Gauge for 303 - .064"

    ×

    Recommended

    • SM 126 Armourers plug - Barrel Reject Gauge for 303 SM 126 Armourers plug - Barrel Reject Gauge for 303 SM 126 Armourers plug - Barrel Reject Gauge for 303 SM 126 Armourers plug - Barrel Reject Gauge for 303
      Quick view Details

      sku: 200608-02

      SM 126 Armourers plug - Barrel Reject Gauge for 303

      MSRP:
      Now: $29.50
      Add to Cart
    • 9mm SMG Chamber and Headspace Gauge 9mm SMG Chamber and Headspace Gauge 9mm SMG Chamber and Headspace Gauge 9mm SMG Chamber and Headspace Gauge
      Quick view Details

      sku: 9mmSMGGauge

      9mm SMG Chamber and Headspace Gauge

      MSRP:
      Now: $36.00
      Add to Cart
    • SM 125 Armourers plug - Bore Reject Gauge for 303 (.307" diameter) SM 125 Armourers plug - Bore Reject Gauge for 303 (.307" diameter) SM 125 Armourers plug - Bore Reject Gauge for 303 (.307" diameter) SM 125 Armourers plug - Bore Reject Gauge for 303 (.307" diameter)
      Quick view Details

      sku: 200608-02-307

      SM 125 Armourers plug - Bore Reject Gauge for 303 (.307" diameter)

      MSRP:
      Now: $32.50
      View Details
    • MG34 and MG42 Barrel Headspacing Shim MG34 and MG42 Barrel Headspacing Shim MG34 and MG42 Barrel Headspacing Shim MG34 and MG42 Barrel Headspacing Shim
      Quick view Details

      sku: 42BS

      MG34 and MG42 Barrel Headspacing Shim

      MSRP:
      Now: $4.00
      Add to Cart
    ×
    Join Our Mailing List for special offers!
    Contact Us
    BRP Corp
    188 Picklesimon Rd
    Winder, GA 30680
    USA
    Accounts & Orders
    • Gift Certificates
    • Wishlist
    • Login or Sign Up
    • Shipping & Returns
    Quick Links
    • Blog
    • Contact
    • Shipping & Returns
    Recent Blog Posts
    • So You Want to Buy a Transferable Machine Gun...
    • SMG Design: Open Bolt vs Closed Bolt 9mm Blowback SMGs
    • Transferable SMG Comparison Chart
    • A Good Deal or A Good Gun - Why Not Both?
    Connect with Us:
    • © BRP CORP
    • |
    • Sitemap