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Magazine Extension Tube for MP-153/MP-155 on 6 cartridges 12 gauge

Internal code: 6512
Are available
Only 1 left in stock
3,090 Р To order   items
Approx. 44 USD

The main purpose of the store extension for Mr-153/155 for 6 rounds (Delta-Tech)

The extension barrel, a store (UPM) Mr-6 is designed for installation on the gun production of JSC "Izhevsk mechanical plant" - automatic rifles, pump-action MP-133, MP-153, LL-154, LL-155, export the Remington Spartan SPR-453, MP-133, as well as MC 21-12, Benelli M4, Remington 1100/1187. The product increases the magazine capacity of rifles in 6 rounds. The tube extender is made of durable aluminum alloy В95Т, which is used in the aviation industry. Supplied UPM has a long spring that ensures smooth feeding of cartridges. It should be set instead of default. All surfaces of the extension barrel, a store is coated with a special polymer coating that protects the product from harmful gases, weapons lubricant, as well as high temperature, abrasion and splintering.

The installation of UPM on the rifle is extremely simple, you don't need a special tool or service gunsmith. The tube extension is mounted on the threaded joint on the cover of the regular store. The cover extension has a hole for a ramrod, with which the installation is greatly facilitated. Special grooves present on the outer part of the tube store are designed for installation of special tie strap. It provides a reliable fastening of the store to the trunk (clamp sold separately). Also you can install the sling swivel with a locking ring. Questions about the purpose, mode of installation on the gun, technical and operational characteristics of the extension barrel, a shop Mr-6 (Delta-Tech) – please contact managers of our online store by phone (495) 989-10-56 . In the item card there is a special tab where you can read reviews about the product.


Attention! Before starting work with firearms, you should make sure that the weapon is completely unloaded and the safety is on! When installing or removing the extension tube barrel store (PBSO) be sure to check the lack of 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:

  • Tube extension rifle shop Mr-6 – 1 PCs.
  • 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 of the store (6патронов) for Mr-153/155 (Delta-Tech)

Technical data

Extension tube magazine (6 rounds) for Mr-153/155

Fastening on the weapon

Removable: screw, nut instead of a regular store


6 rounds



Designed for weapons

Mr-153, Mr-133, LL-154, LL-155, MC 21-12, the Remington SPR-453"Spartan", Remington 1100/1187, 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)
Package dimensions, place 1 (mm)
500 × 65 × 55
Net weight (kg)
Gross weight 1 (kg)