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Magazine Extension Tube for MP-153/MP-155 on 7 cartridges 12 gauge

Internal code: 6514
Are available
Only 1 left in stock
3,300 Р To order   items
Approx. 42 USD

The main purpose of the store extension for Mr-153/155 7 rounds (Delta-Tech)

The extension barrel, a store (UPM) Mr-7 is designed to install self-loading pump-action rifles production of JSC "Izhevsk mechanical plant": the MP-133, MP-153, LL-154, LL-155, export the Remington Spartan SPR-453, MP-133, as well as MC 21-12, Benelli M4. The product increases the capacity of standard stores 12 gauge 7 rounds. Install the tube extender shop on the threaded connection of the cap regular store. The set includes an elongated spring, which must be installed instead of standard. The surface of the tube extender has a protective coating that protects the product during operation.

As the material of UPM, Mr-7, chosen heavy-duty aluminum alloy В95Т, which is used in the aviation industry. On the surface of the pipe, there are special grooves for mounting clamps (sold separately) that provides secure attachment of the extension cable. In addition, you can install an extra sling swivel with a locking ring for fastening gun belt. For further questions about how to install the weapon, the specifications, price or delivery of the extension barrel, a shop Mr-7 (Delta-Tech) will give you the answer managers of our online store by phone (495) 989-10-56 . you can also post your question on the special tab in a convenient form and we will get back to you.


Attention! Before starting work on the installation of additional equipment on firearms, you should make sure that the weapon is completely unloaded!

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:

  • Tube extension rifle shop Mr-7 – 1 PC.
  • Spring – 1 PC.
  • Washer – 1 PC.
  • Sling swivel – 1 EA.
  • Screw for strap clips – 1 EA.
  • Cover – 1 piece
  • Packaging

Technical characteristics of the extension magazine (7 rounds) for Mr-153/155 (Delta-Tech)

Technical data

Extension cord store (7 rounds) for Mr-153/155

Fastening on the weapon

Removable: screw, nut instead of a regular store


7 rounds



Designed for weapons

Mr-153, Mr-133, LL-154, LL-155, MC 21-12, the Remington SPR-453"Spartan", Benelli M4

Physical and operational characteristics


Aluminum alloy В95Т, polymer coating


Matte black

Length, mm


Weight, kg



OOO "Delta-Tek", Tula, Russia

Case material
aluminum alloy
The coverage of the case
powder coating
Country of origin
Manufacturer's warranty (years)
Dimensions (mm)
5 × 3 × 0
Package dimensions, place 1 (mm)
560 × 70 × 40
Net weight (kg)
Gross weight 1 (kg)