Rock Island Armory X4 Tactical X4 Complete Specs and Full Gun Specifications

Anthony - The Benelli "+2" will work, but you'l have to file away/remove the 'ledge' in the end of the original magazine tube to allow the spring room to travel the entire length of the tube and the extension. If you have a Dremel you would be in business

Anthony, Yes most will work. Just don\'t go with an extension tube more than 2 inches or so past the end of the Choke Tube.

Anthony, they should work just fine. Just don\'t go with an extension tube more than 2 inches or so past the end of the Choke Tube.

Yes it has a crossbolt safety and a limited lifetime warranty

Howard, RIA offers a Limited Lifetime Warranty. It does have a Cross Bolt Safety.

Anthony, Kyle in one of the reviews added a Benelli Nova/SuperNova +2 mag. Tube extension. His details [The small magazine was my only concern, but I have a Benelli Nova/SuperNova +2 mag. tube extension that fits perfectly and doesn't extend beyond the mu

Sebastian, no Sir. Semi Auto's have part of the recoil mechanism built into a portion of the Stock whereas Pumps Shotguns do not and can support Adjustable Stocks.

Sebastian, Not on this shotgun. A pump action shotgun okay.

Michael, 2nd "Extension" is correct. It won't be 100% flush but close.

Anthony - The Benelli "+2" will work, but you'l have to file away/remove the 'ledge' in the end of the original magazine tube to allow the spring room to travel the entire length of the tube and the extension. If you have a Dremel you would be in business

Anthony, Yes most will work. Just don\'t go with an extension tube more than 2 inches or so past the end of the Choke Tube.

Anthony, they should work just fine. Just don\'t go with an extension tube more than 2 inches or so past the end of the Choke Tube.

John, the light piston is designed for lighter loads such as target loads, low-recoil loads, and most other common loads while the heavy piston is for more powerful loads such as most 3 inch shells, slugs, magnum turkey loads, etc. (Technically the light

there are no gas pistons in this shotgun it is a inertia gun

John, this 12GA shotgun operates with an inertia style action and not "Gas Piston". Inertia operation involves a bolt carrier and inertia spring that are not rigidly fixed to the rest of the gun. When the gun is fired, the recoil pushes the gun backwards

Anthony, Kyle in one of the reviews added a Benelli Nova/SuperNova +2 mag. Tube extension. His details [The small magazine was my only concern, but I have a Benelli Nova/SuperNova +2 mag. tube extension that fits perfectly and doesn't extend beyond the mu

You must remove inner spring retention ring by trimming about 1/4" of threads and Benelli Nova tube extensions will thread right on. No cycling issues for me. GL!

Please click the green box stating it as the best answer. This will stop unwanted emails. We are rated on our answers and are just volunteers, not Buds employees. You can choose more then one Thank you!

I have not found where anyone has added a extension. I suggest that you contact RIA and see if they can assist you a good machinist should also be able to make a adapter so you could use one from a Remington or Mossberg contact for RIA Phone: (775) 537-14

Michael, 2nd "Extension" is correct. It won't be 100% flush but close.

Zephimia, no time estimation. You should keep the item on your "Wish List" and select the "Notify Me When Available" Button and Buds will notify you when/if the product returns to stock.

While I am sure that buds has them on order there is no way of knowing when it will be back in stock. I suggest that you use the notify me button. Buds will email you when they are back in stock This in no way obligates you to purchase the item. We are no

John, the light piston is designed for lighter loads such as target loads, low-recoil loads, and most other common loads while the heavy piston is for more powerful loads such as most 3 inch shells, slugs, magnum turkey loads, etc. (Technically the light

there are no gas pistons in this shotgun it is a inertia gun

John, this 12GA shotgun operates with an inertia style action and not "Gas Piston". Inertia operation involves a bolt carrier and inertia spring that are not rigidly fixed to the rest of the gun. When the gun is fired, the recoil pushes the gun backwards

Larry, yes Sir. The Sights are Fiber Optic. It is not drilled and tapped. Rossie makes some matched sets that have drilled and tapped rifle barrels : rossiusa.com/whatsnew-matchedpair.cfm

You must remove inner spring retention ring by trimming about 1/4" of threads and Benelli Nova tube extensions will thread right on. No cycling issues for me. GL!

Please click the green box stating it as the best answer. This will stop unwanted emails. We are rated on our answers and are just volunteers, not Buds employees. You can choose more then one Thank you!

I have not found where anyone has added a extension. I suggest that you contact RIA and see if they can assist you a good machinist should also be able to make a adapter so you could use one from a Remington or Mossberg contact for RIA Phone: (775) 537-14

John, Yes this is a break action single shot youth model firearm with 2 barrels (22LR and 410 shotgun gauge). Over $200 on every other firearm site.

yes you are correct 2 barrels and one action/stock

John, one "Stock" with (2) Barrels Sir.