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Magazine Extension Tube for MP-153/MP-155 on 5 cartridges 12 gauge

Internal code: 6511
Are available
Only 2 left in stock
2,650 Р To order   items
Approx. 34 USD

The main purpose of the store extension for Mr-153/155 of 5 rounds (Delta-Tech)

The extension barrel, a store (UPM) Mr-153/155 of 5 rounds (Delta Tech) is used 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, Remington 1187. Unlike home-made extension cords, UPM company Delta-Tech ensures reliable operation of your weapon. The material used is lightweight and durable duralumin alloy В95Т, which is used in the aviation industry. Included is a more rigid and long spring, providing smooth and continuous supply of cartridges (placed instead of the factory). In addition, on the outer surface of UPM coated with a special polymer coating by a powder method that protects the product from gases and greases, resistant to scratches and abrasion.

The installation of UPM is simple and requires no extra tool or additional machining. The extender attaches to the thread of the cover, there are knurled to facilitate the screwing. The cover extension has a hole for the cleaning rod, with which the installation is greatly facilitated. On the outer surface there are special grooves for the installation of tie straps for fastening to the stem (clamp kit not included). On request it is possible to install a sling swivel with a locking ring. Have questions about the appointment, mount weapons, technical and operational characteristics, the purchase and delivery of extension barrel, shop Mr-5 (Delta-Tech) – contact the experts of our online store by phone (495) 989-10-56 . In the item card there is a special tab where you can read or leave 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:

  • Tube extension barrel, a shop – 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 extention shop (5 rounds) for Mr-153/155 (Delta-Tech)

Technical data

Extention shop (5 rounds) for Mr-153/155

Fastening on the weapon

Removable: screw, nut instead of a regular store


5 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
Country of origin
Manufacturer's warranty (years)
Package dimensions, place 1 (mm)
500 × 65 × 55
Net weight (kg)
Gross weight 1 (kg)