Ultimate AAP01 Upgrade Kit (250mm Barrel)

The Ultimate Stalker Upgrade Kit to turn your AAP01 into a true beast of a pistol. This upgrade kit makes your AAP01 accurate, consistent, and capable of a high rate of fire. The package includes the following Stalker upgrades!

The package includes the following Stalker upgrades.

• Stalker TDC + Prowler Plate
• Stalker Ultimate Spring Kit (8 pieces)
• Stalker AAP01 250MM Morpheus Inner Barrel
• Stalker AAP01 TDC Hole Tool
• Stalker Official Logo Patch

We strongly believe that installing these upgrades together with a Maple Leaf GBB bucking will deliver excellent results. We include the following bucking in this package.

• Maple Leaf Diamond 70 Degree GBB Bucking

*Note: This upgrade discount is only available when all products are in stock. Click ‘add to cart’; if all products are available, you will be able to purchase this kit with the mentioned discount. If the products are not added to your shopping cart and you see a blank page, it means one of the products is not available.

Product Description:

AAP01 - TDC + Prowler Hop Plate
This kit removes all stock hop-up parts and replaces them with a TDC hop-up function on the original AAP-01 hop-up chamber.

This set contains an (ABS) printed TDC hood with a grub screw and a specially designed pressure plate for your AAP-01, allowing you to adjust your hop-up from the top using a hex key.
The vertically aligned grub screw applies direct vertical pressure onto the included Prowler hop plate, providing the optimal pressure point from Top Dead Center (TDC).

The CNC-machined red aluminum Prowler nub on this hop plate has the same shape and finish as the well-known purple Prowler nub used in our SRS Kraken series. This nub shape has received excellent feedback, which is why we offer the same design to ensure a perfect setup in your AAP-01 airsoft replica.

AAP01 TDC Hole Tool

A very handy AAP-01 TDC Hole Tool to drill a precise hole for installing the Stalker TDC kit.

Stalker AAP01 Spring Kit (8 pcs)

This set includes four different recoil springs and four different nozzle return springs to tune your AAP-01 into a monster!

Green gas, HPA, drum magazines, short magazines, long magazines, short-stroke kits, etc. There are countless AAP-01 setups possible, and we have noticed that every setup behaves differently. Temperature conditions also play a major role in how your AAP-01 performs. That’s why we released an ultimate set of eight springs, allowing you to tune your AAP-01 based on the parts and gas you use, as well as the temperature conditions where you play.

Morpheus 250MM Inner Barrel for AAP01

The Morpheus Hybrid Barrel is made from highly durable SUS304 stainless steel and features a dual-bore tapered end-crowning to enhance your range and accuracy.

We chose stronger and more durable SUS304 seamless steel to raise the standard. Most brands use SUS303 seamed steel because it is easier to machine. However, SUS303 stainless steel has reduced corrosion resistance due to its composition, as it is optimized for machinability. The SUS304 steel we use is more difficult to machine but significantly more durable and offers excellent corrosion resistance.

If you have any issues or questions about this or other Stalker products, please visit our Stalker Owners Group on Facebook here: https://www.facebook.com/groups/329589544772075/

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For more information about Stalker products, tech & crafting guides, please visit: www.stalkerairsoft.com