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AR15 Stock Tube Adapter RIS Mount - 5KU

14.90

Tax included Product made to order generally delivered in 7/10 working days.

5KU adapter to convert the rear Picatinny (RIS 1913) rail mount to a standard mount for **M4 AEG stock tubes**. Made of high-quality CNC Aluminum with hard anodizing, this adapter is the perfect solution.

Ideal for those who own replicas with a 1913 mount (such as SIG MCX/MPX) but want to mount the wide range of standard M4 AEG tubes and stocks.

Size Guide

This is an approximate conversion table to help you find your size. If you have already purchased an item from our brand, we recommend you select the same size indicated on its label.

Men's Sizes

International	XS	S	M	L	XL	XXL	XXXL
Europe	32	34	36	38	40	42	44
US	0	2	4	6	8	10	12
Chest Circumference (inches)	33-35"	36-38"	39-41"	42-44"	45-47"	48-50"	51-53"
Chest Circumference (cm)	84-89	91-97	98-104	107-112	114-119	122-127	129-134
Waist Circumference (inches)	28"	30"	32"	34"	36"	38"	40"
Waist circumference (cm)	71	76	81	86	91.5	96.5	101.5

LOWA FOOTWEAR SIZE CHART

SIZE SELECTION:

THE SIZES IN THE DROP-DOWN MENU ARE UK SIZES (ENGLISH)

conversion chart: UK size - (IT size) - size in mm

Size 6.5 (40) 257mm

Size 7 (40 3/4) 262mm

Size 7.5 (41.5) 266mm

Size 8 (42) 270mm

Size 8.5 (42.5) 274mm

Size 9 (43 1/4) 278mm

Size 9.5 (44) 283mm

Size 10 (44.5) 287mm

Size 10.5 (45) 291mm

Size 11 (46) 295mm

Size 11.5 (46.5) 300mm

Size 12 (47) 304mm

Size 12.5 (48) 308mm

Size 13 (48.5) 312mm

NEED ADVICE ON CHOOSING A SIZE?

Take one of your sneakers and look at the size in mm or cm, look at the diagram above to see what it corresponds to and order your size!

e.g., your sneaker is 27.2 cm long? Great, the closest and most correct size will be: "TG 8.5 (42.5) 274mm", in the purchase menu select size 8.5UK!

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Description
Product Details

This 5KU adapter is a high-end custom component, designed for those who want maximum modularity. It is entirely made of high-quality aluminum, precision CNC machined, and protected by a hard anodized coating that makes it scratch-resistant.

Its function is to act as a "bridge" between two different standards: it installs securely on any 1913 Picatinny rail interface (such as the one standard on SIG MCX/MPX replicas, or on custom adapters for M4/AK) and converts it.

Once mounted, the adapter provides the correct mount and threading to screw on a standard M4/AR15 AEG stock tube. This allows the user to draw from the huge catalog of M4 AEG tubes and stocks, instead of being limited to expensive stocks with a 1913 mount.

Main Advantages

Converts from 1913 to AEG Tube: Allows the use of M4 AEG tubes and stocks on RIS interfaces.
Premium Construction: CNC Aluminum with hard anodizing.
Maximum Flexibility: Unlocks the use of all standard AEG stocks.
Lightweight and Robust: "Low profile" design weighing only 100g.

Technical Specifications

Manufacturer: 5KU
Model: 1913 to AEG Stock Tube Adapter
Material: CNC Aluminum (Anodized)
Mount (Input): 1913 Picatinny Rail
Threading (Output): Standard M4 / AR15 AEG
Weight: 100 g
Dimensions: 7 x 7 x 5 cm
Color: Black

Package Contents

1 x 1913 to AEG Tube Adapter

Important Note: This adapter is specifically designed for stock tubes with Example_A. The threading (pitch) of GBB / Real Steel (Mil-Spec) tubes is different and NOT compatible.

Brand 5KU

Reference 11920006000, 5KU-333