20ga Extension Tubes

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  • Extension Tube Springs 12ga/20ga

    Rated 5.00 out of 5
    Price: $12.93$13.43

    Replacement spring for shotgun magazine extensions.

    • Spring has extra length to allow fitting to magazine
    • Ships coiled in package with instructions for determining length and cutting
    • Available in standard and heavy-duty strengths for 12ga, standard strength for 20ga

    Extension Tube Springs 12ga/20ga

    Replacement spring for shotgun magazine extensions.

    • Spring has extra length to allow fitting to magazine
    • Ships coiled in package with instructions for determining length and cutting
    • Available in standard and heavy-duty strengths for 12ga, standard strength for 20ga
  • Shotgun Extension Tube End Cap 12ga/20ga

    Price: $15.85

    Machined aluminum end cap for Nordic Components MXT shotgun magazine extensions.

    Shotgun Extension Tube End Cap 12ga/20ga

    Machined aluminum end cap for Nordic Components MXT shotgun magazine extensions.

  • Shotgun Extension Tube Kit, 20ga.

    Price: $75.60

    Nordic Components shotgun magazine extension tube kit for increasing magazine capacity.  Used in conjunction with the 20 gauge extension tube nut, this tube kit will add the listed number of rounds to your existing magazine capacity.  All capacities are measured using 2.75" star-crimped shells; for use with 3" or 3.5", increase your selection by one or two rounds.

    Kits ship with extension tube, tube cap, and full-length spring (+1 tubes have an integral cap and will not include a separate cap).   To determine the length of the extension in relation to your shotgun, reference the measurement diagram and dimension table below.  Note that the tube nut will add between .750" and 1.000" depending on the shotgun model.

    THIS PRODUCT REQUIRES AN 20GA EXTENSION TUBE NUT TO BE INSTALLED ON YOUR SHOTGUN -- THIS TUBE KIT WILL NOT ATTACH WITHOUT THE NUT

     

    Barrel_Ext_Measurement_Illustration

    Note:  May require modification of shotgun for installation and/or proper function.  Any spring/follower retention devices will have to be removed to allow extension to function.

    Attention Washington, D.C. Residents: We will not ship any magazine tube extension or magazine extension tube component into, Washington D.C. due to current regulations.

    Shotgun Extension Tube Kit, 20ga.

    Nordic Components shotgun magazine extension tube kit for increasing magazine capacity.  Used in conjunction with the 20 gauge extension tube nut, this tube kit will add the listed number of rounds to your existing magazine capacity.  All capacities are measured using 2.75" star-crimped shells; for use with 3" or 3.5", increase your selection by one or two rounds.

    Kits ship with extension tube, tube cap, and full-length spring (+1 tubes have an integral cap and will not include a separate cap).   To determine the length of the extension in relation to your shotgun, reference the measurement diagram and dimension table below.  Note that the tube nut will add between .750" and 1.000" depending on the shotgun model.

    THIS PRODUCT REQUIRES AN 20GA EXTENSION TUBE NUT TO BE INSTALLED ON YOUR SHOTGUN -- THIS TUBE KIT WILL NOT ATTACH WITHOUT THE NUT

     

    Barrel_Ext_Measurement_Illustration

    Note:  May require modification of shotgun for installation and/or proper function.  Any spring/follower retention devices will have to be removed to allow extension to function.

    Attention Washington, D.C. Residents: We will not ship any magazine tube extension or magazine extension tube component into, Washington D.C. due to current regulations.

  • Sale!

    Shotgun Extension, Tube Only, 20ga.

    Price: $16.60

    Nordic Components MXT extension tube for 20 gauge shotguns.

    • Available in variety of lengths between +4 and +7 (shell capacity measured with 2 3/4″ shells and may vary with shells of differing length)
    • Includes ONLY MXT tube
    • May require purchase of new magazine spring if you are changing the capacity of your existing extension

    Barrel_Ext_Measurement_Illustration

    *Some shotgun magazine tubes may require minor modification. Call us if you are having problems fitting our extension tubes to your shotgun.

    Attention Washington D.C. Residents: We will not ship any magazine tube extension or magazine extension tube component into Washington D.C. due to current regulations.

    Shotgun Extension, Tube Only, 20ga.

    Nordic Components MXT extension tube for 20 gauge shotguns.

    • Available in variety of lengths between +4 and +7 (shell capacity measured with 2 3/4″ shells and may vary with shells of differing length)
    • Includes ONLY MXT tube
    • May require purchase of new magazine spring if you are changing the capacity of your existing extension

    Barrel_Ext_Measurement_Illustration

    *Some shotgun magazine tubes may require minor modification. Call us if you are having problems fitting our extension tubes to your shotgun.

    Attention Washington D.C. Residents: We will not ship any magazine tube extension or magazine extension tube component into Washington D.C. due to current regulations.