ATI TACSX2 Shotgun Review
Part 4 - Disassembly
February 8,2015

American Tactical ATI TAC-S (TACSX2) Shotgun Review

In this part of the review I'm going to show the disassembly of the ATI TACSX2 Shotgun.  The TACSX2 Owner's Manual (which is actually only one sheet) is about as simplistic as you can get.  I took this below directly from the manual to show the extent of their disassembly instructions. 

 

Figure 1
ATI TAC-S Review: Disassembly Instructions

Although these instructions are pretty basic, they do describe most of the steps for normal disassembly, but for some reason they skipped the part about removing the bolt.  In the following, I show these disassembly steps in a little more detail.


Normal Disassembly

Step 1 - Safety

First you should ensure the shotgun is completely unloaded.  Check both the chamber and magazine tube.  Once you are sure the shotgun is unloaded, point it in a safe direction and dry fire the shotgun so that the action will lock in the rear position.

Figure 2
ATI TAC-S Review: Empty Chamber

Step 2 - Remove Magazine Tube Cap

Unscrew the magazine cap and remove the cap.

Figure 3
ATI TAC-S Review: Removing Magazine Cap

Step 3 - Remove Forearm

With the magazine cap removed, the forearm easily slides forward and off the shotgun.

Figure 4
ATI TAC-S Review: Removing Forearm

Step 4 - Remove Barrel

To remove the barrel, I found it necessary to release the action slowly as I pulled the barrel out of the receiver.

Figure 5
ATI TAC-S Review: Removing Barrel

Step 5 - Remove Gas Piston

The gas piston can be removed by sliding it off the end of the magazine tube.

Figure 6
ATI TAC-S Review: Removing Gas Piston

Step 6 - Remove Action Arm and Bolt

To remove the action arm and bolt, you need to center the operating handle in line with the notch in the slot on the bolt.  To do this, press rearward on the action arm and you might need to adjust the position of the bolt with your other hand.

Figure 7
ATI TAC-S Review: Removing Operating Handle

The operating handle can then be pulled from the bolt.

Figure 8
ATI TAC-S Review: Removing Operating Handle

With the operating handle removed, the action arm and bolt can slide forward out of the receiver eventually off the magazine tube.

Figure 9
ATI TAC-S Review: Removing Action Arm and Bolt

Figure 10
ATI TAC-S Review: Removing Action Arm and Bolt

The action arm sleeve can be removed from the action arm by tilting the front of the sleeve up and pulling the action arm out of the slot.

Figure 11
ATI TAC-S Review: Removing Action Arm Sleeve

The bolt can be removed from the action arm by lifting at the rear of the bolt and tilting it slightly as you pull the bolt off the action arm.

Figure 12
ATI TAC-S Review: Removing Bolt

Step 7 - Remove Trigger Group Assembly

Place something soft under the receiver and tap the trigger group retaining pin out of the receiver as shown below.

Figure 13
ATI TAC-S Review: Removing Trigger Group Pin

Next, tap in the forward direction on the back of the trigger guard.

Figure 14
ATI TAC-S Review: Removing Trigger Group

Once the trigger guard assembly starts to move forward, you can use your hand to rotate the assembly out of the receiver.

Figure 15
ATI TAC-S Review: Removing Trigger Group

Normal Disassembly Complete

The photo below shows disassembly to a level for normal cleaning.  Overall, it was pretty easy and is similar to many other shotguns.

Figure 16
ATI TAC-S Review: Disassembled Components

Note, the reason I didn't remove the action spring is because the spring was held in place by the plate that holds the rear of the forearm.  With the spring in place, I wasn't able to easily get at the head of one of the screws shown below.  Since cleaning the exterior of the magazine tube is easily performed by pushing the spring out of the way, I decided not removing the spring wasn't an issue.

Figure 17
ATI TAC-S Review: Front of Receiver


Further Disassembly

There is no need to remove the stock for normal cleaning, but I decided to remove it anyway to take a closer look at the components.  To remove the stock, first remove the screw that holds the buttpad in place.

Figure 18
ATI TAC-S Review: Removing Buttpad Screw

With the buttpad screw removed, you can rotate the buttpad off the stock by pulling at the bottom of the buttpad.

Figure 19
ATI TAC-S Review: Removing Buttpad

Looking down the stock, you can see the stock bolt and washer.  Using a 13mm socket and extension, I was able to remove the bolt.  Actually, the bolt didn't feel like it required much torque to loosen, so you may want to keep an eye out for loosening of the stock.

Figure 20
ATI TAC-S Review: View Inside Stock

This next photo shows the stock removed.

Figure 21
ATI TAC-S Review: Stock Removed

Next I wanted to remove the magazine cap, spring and follower.  Luckily I have a set of pliers that curl around at the end to allow me to apply pressure on both tabs of the magazine cap at the same time.  Make sure that you keep a finger on the cap because the cap is under a significant amount of spring force due to the magazine spring.  With the tabs pressed in, the cap will want to move forward and quickly out of the magazine tube.

Figure 22
ATI TAC-S Review: Removing Magazine Spring Cap

You can see how much compression is required of the spring to get the cap located properly on the magazine tube.

Figure 23
ATI TAC-S Review: Magazine Spring

With the spring removed, you can tilt the magazine tube and give the follower a slight tap at the receiver end of the magazine tube and the follower will slide out of the tube.

Figure 24
ATI TAC-S Review: Follower

This next photo shows the magazine cap, spring and follower removed.

Figure 25
ATI TAC-S Review: Magazine Components

 

Thoughts

Although I feel the ATI instructions on disassembly were lacking, disassembly of this shotgun does not require you to be a rocket scientist and most people could probably disassemble it even without instructions.

For more detailed photos and commentary, make sure you check out the other parts of this review and feel free to leave comments on my Reader's Comments page.  The following links are provided to help you see other parts of this review. 


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