Date: 15/7/2024 3:38


Air Arms S400 MPR FT, Poplar Stock

Main Product Rating 4.54.5 (6 reviews) Review, article, latest buzz
Air Arms S400 MPR FT, Poplar Stock

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Air Arms S400Rating 4.04.0 (12 reviews)
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Air Arms S400 MPR
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    WARNING WARNING This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

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You don't have to reserve this gun just for field target. It makes a very nice hunting rifle, too. It's ideal for dispatching small rodents and garden pests.

If you enjoy winning field target matches, the Air Arms S400 MPR FT (multi-purpose rifle field target) can help you achieve your goals!

The gun is highly adjustable to meet your individual shooting needs. The match trigger is not only adjustable for first-stage length and second-stage pull weight, but it also can be moved up or down and forward or back. Plus, the trigger pad can be adjusted! An adjustable cheekpiece moves up and down to align your eye with the rear sight, while the thick rubber buttpad is also adjustable. If you need a longer pull, unscrew the buttpad and add spacers (not included).

There are no sights on the gun, so be sure to get a scope and mount!

This is a breechloader and the S400 MPR FT has a 12-groove Lothar Walther barrel and poplar stock. The correct air pressure for the MPR is 200 bar (2,900 psi).

The tank is not removable. You refill it while it's attached to the gun.

See other products by Air Arms

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See schematics


Max Velocity800 fps
Overall Length39.0"
Weight6.94 lbs
Scopeable11mm dovetail
Suggested forSmall game hunting/target practice
Caliber.177 (4.5mm)
Barrel Length18.58"
Shot Capacity1
Front Sightnone
Rear Sightnone
PowerplantPre-charged pneumatic
Body TypeRifle

Average Customer Review

Rating 4.54.5 (6 reviews)
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Rating 5.05.0 5.0

Rating 5.05.0 5.0

Rating 5.05.0 5.0

Things I liked:

Light weight, Looks, Accuracy. Alot of shots per fill. I bought this rifle used and wonder why it was returned. I will be making my own knee rest as i have some poplar blocks in my wood shop.

Things I would have changed:


What others should know:

This is a beautiful gun. Light weight and very capable of winning field target competitions. Alot of fun to shoot.

Rating 4.04.0 4.0

Rating 5.05.0 5.0

Rating 5.05.0 5.0

Things I liked:

I bought this gun to shoot benchrest competition. It is about one-half to one-third the cost of other guns that are competitive in the Light Varmint class (12 fpe) for WRABF/USARB benchrest, shooting at 25 meters outdoors and 25 yards indoors.

Things I would have changed:

The Air Arms T-Bar fill valve sucks, especially when it is cold. Getting the fitting on and off the gun is a real PITA. I have ordered a kit from Best Fittings Ltd, in England, to change the valve to a foster quick detach type. I am pretty tall, so the stock length of pull is way too short for me for position shooting, but not so much of a problem for shooting from benchrests. I would need to get some sort of after market extender to shoot Field Target with it.

What others should know:

The gun is a little "pellet picky", at least for hitting a 10 ring that is less than half the diameter of a .177 pellet. It doesn't seem to group any wadcutters very well(of which I have 10'000). I have found that several Air Arms, or the pretty much identical JSB Exact, domed pellets, seem to shoot well. With a little patience, the trigger can be adjusted down to practically nothing, which is great for BR, but possibly not so much for FT. Overall, I am quite pleased with the gun and think it is a great value for the money.

Rating 5.05.0 5.0

Rating 5.05.0 5.0

Rating 5.05.0 5.0

Things I liked:

I love this rifle! I have a 3-12-44 accushot scope mounted, if you miss it's your fault. very nice trigger.

Things I would have changed:


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  • Virgilio from USA asked:

    How loud is this air rifle? It is not shrouded.

    • Virgilio from USA answered:

      Several air gun owners on air gun forums have stated that this air rifle without a shroud is very loud.

    • Jerry from USA answered:

      It's listed at 2-low-med, which is fiarly quiet

To fill your PCP gun:
1.Pick a source of air shown at right
2.If an adapter is needed, one will be shown
3.Add both to your cart to get hooked up

Air Arms S400 MPR FT, Poplar Stock with 1/8" BSPP connector (2M)

To start over click reset

Airgun Academy Episode 38 - PCP Filling Systems

Compatible with Air Arms S400 MPR FT, Poplar Stock

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