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Magazine Extension Tube for Stoeger 2000 A, Benelli М3 on 4 cartridges 12 gauge

Internal code: 6508
Are available
Only 1 left in stock
2,300 Р To order   items
Approx. 30 USD

The main purpose of the extension of the store ST-4 for 4 rounds (Delta Tech)

Extender shop ST-4 for 4 rounds (Delta Tech) allows you to increase the magazine capacity to 8 rounds of 12 gauge. Can be installed on various shotguns of domestic and foreign production: the Bekas-12M, A Stoeger 2000, Benelli M3. Has a low weight thanks to the use as material of lightweight duralumin alloy В95Т, which has a strength that is not inferior to other alloys. To protect the product from temperature and chemical action of powder gases and mechanical damage on the outer surface of a solid polymer coating. In addition, this coating has high wear resistance to abrasion and chipping in case of accidental bumps.

The installation process of UPM ST-4 is extremely simple and can be done independently, even in the field, as they will not need any additional tool. The extension is screwed on instead of the cover of the rifle after installing the new, elongated coil springs (included). You should note that this modification of the extension cable has a length of 320 mm, therefore, it is recommended to fix it on the barrel of the rifle with tie straps (sold separately). You have any questions about the purpose, characteristics, guarantee, purchase or delivery of the extension barrel, a store ST is a 4- call the managers of our online store by phone (495) 989-10-56. All questions can be set online on the website, and to read or write reviews about the product.


Before beginning any work on firearms, always make sure that the weapon is completely unloaded and the safety is on! When installing and removing the extension tube barrel store (PBSO) should inspect the ammunition in the weapon. According to the rules of the "Federal law on weapons" of the Russian Federation dated 13.11.96, the number of ammunition in the weapon must not exceed 10 ammunition (other than sporting guns).

Package includes:

  • The extension barrel, a store ST-4 – 1 PCs.
  • Spring – 1 PC.
  • Washer – 1 PC.
  • Sling swivel – 1 EA.
  • Ring swivels – 1 PC.
  • Screw for strap clips – 1 EA.
  • Packaging

Technical characteristics of the extension cable shop ST-4 for the Stoeger/Benelli (Delta-Tech)

Technical data

Extender shop ST-4 for the Stoeger/Benelli

Fastening on the weapon

Removable: screw, nut instead of a regular store


4 rounds



Designed for weapons

A Stoeger 2000, Benelli M3, Snipe 12M

Physical and operational characteristics


Aluminum alloy В95Т, polymer coating


Matte black

Length, mm


Weight, kg



OOO "Delta-Tek", Tula, Russia

Case material
aluminum alloy
Country of origin
Manufacturer's warranty (years)
Package dimensions, place 1 (mm)
500 × 65 × 55
Net weight (kg)
Gross weight 1 (kg)