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M4 Stock Tube Adapter manufactured by APS, designed to convert AK replicas with fixed stock. Made of robust Nylon Fiber, it allows the installation of standard M4/AR15 adjustable stocks.
Offers 6 adjustment positions and an ambidextrous sling ring. Designed for "drop-in" installation on the APS ASK series with fixed stock (requires modifications for other AK47 standards).
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.
| 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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point that can be converted into a voucher of
0.20.
This adapter from APS is the essential accessory for those who own an AK replica with a fixed stock and want to install an M4-type collapsible/adjustable stock. Replacing the original fixed stock, this receiver extension offers 6 adjustment positions for personalized comfort and ergonomics.
Constructed from lightweight yet durable Polymer (Nylon Fiber), it has an attractive and functional design. The kit includes a removable sling ring that can be positioned on either the right or left side of the adapter, ensuring maximum versatility.
Installation is designed to be "drop-in" and very simple on fully compatible models, such as the APS ASK series (e.g., ASK208) with fixed stock frame. It only requires insertion and fixing with the included screw.
Important note: The manufacturer specifies that for installation on other standard AK47 replicas (non-APS), modifications (fitting) to the shell or adapter will likely be necessary.