20rds – 40 S&W Winchester Defender 165gr. PDX1 Bonded JHP Ammo


30 In stock

Winchester Ammunition 165 Grain Jacketed Hollow-Point (JHP) Ammo Details

In order to be truly worth its salt, a self-defense round must be able to deliver knock-down performance under any circumstances -- as a rule, your assailant will not plan his attack when all the cards are stacked in your favor. That’s why this 40 S&W cartridge from Winchester’s Defender line of ammunition has a slew of features to ensure your safety during a precarious altercation. Its brass casing is nickel plated, so it will cycle efficiently through a semi-automatic weapon and further stave off the corrosion brought about by exposure to atmospheric moisture. Its sensitive primer is non-corrosive, and its propellant burns clean so that heavy residue accumulation will not impact your weapon’s accuracy.

It’s this round’s bullet that truly sets it head and shoulders above the rest, however. The PDX1’s jacket and core are welded together, so it is able to retain its weight for deep penetration even after having passed through media such as auto glass, plywood, and winter clothing. The PDX1 is able to expand reliably owing to the notches cut into the tip of its hollow point cavity, and that it consistently widens up to 1.5 times its original diameter makes its terminal performance indisputably devastating. Try this round for yourself and you won’t wonder why FBI agents favor it in the course of their dangerous line of work.
  • Ammo Caliber
    40 Smith & Wesson
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Gel test Results

In hopes of giving ourselves and our customers a better idea how this 40 Smith & Wesson self-defense ammo would perform if called upon in a self-defense scenario, we tested dozens of the best selling hollow points on the market.

We fired five rounds of this Winchester Ammunition 40 Smith & Wesson ammo through a cloth barrier into Clear Ballistics calibrated synthetic gelatin and recorded the results. For these tests, we used a S&W M&P40c with a -inch barrel. In the photos, graphics and video on this page, you can see specifically how the Winchester Ammunition ammo performed and how it sticks up with the rest of the 40 Smith & Wesson ammo we have tested so far.

To read more about our testing procedures and discover what round makes the best self-defense ammo for you head to this page.

Unfired versus Fired Round Comparison

Image detailing before and after firing 20rds – 40 S&W Winchester Defender 165gr. PDX1 Bonded JHP Ammo Image detailing before and after firing 20rds – 40 S&W Winchester Defender 165gr. PDX1 Bonded JHP Ammo

How do the results for this Winchester Ammunition 40 Smith & Wesson compare to other Hollow Point?

20rds – 40 S&W Winchester Defender 165gr. PDX1 Bonded JHP Ammo Gel Test Results

Bullet Depth (in.) 15.6 15.9 16 17 17.7
Expanded Diameter (in.) 0.66 0.67 0.71 0.73 0.8
Bullet Weight after shot (gr.) 158.5 163.3 163.7 163.7 163.7
Bullet Velocity (fps) 1048 1063 1074 1074 1085


Reviews Leave a Review
  • ☆☆☆☆☆

    posted on by JRH

    Except product. I tested some in a handgun with a 4.25 inch barrel and got about the same results as shown here. Excellent expansion and penetrated a little more than a foot. I had the same results in 45 acp caliber too. This product is top notch.

  • ☆☆☆☆☆

    posted on by Justin

    This stuff in this grain is my winter carry ammo for self defense(due to heavy clothing in winter time needs more reliable consistent penitration), it doesn't comprise in consistency, it's hold really true for expansion and penitration, normally I like 180gr (just me I'm a go big grain or go home guy) but this in 165 beats the heck out of its 180gr brother in the same exact ammo. FYI my summer carry when I don't have to worry about heavy clothing on my attacker is the 180gr ranger t series (RA40T) best expansion your ever gonna see on a 40! But won't burrow as deep as these when it comes to clothing.

  • ☆☆☆☆☆

    posted on by SAM DUNBAR

    This is a excellent duty round for Law Enforcement, or a Personal defense round. Hard hitting and great expansion.

  • ☆☆☆☆☆

    posted on by DAVID DONCHESS

    So far this is my favorite round other than the 180 gr variety of this round. It has great penetration and expands reliably. It's firm on recoil and worth the price if you can't find ranger bonded packs.

  • ☆☆☆☆☆

    posted on by Sergio Montesino Sr

    I just received my ammo in both .40 and 9mm...the the .40 ammo were in excellent condition, but the 9mm rounds had stained green looking mildew on actual bullets. I just hope this matter can be resolved and my future order of 9mm ammo will arrive in better condition. I would expect more being they are Winchester Supreme Elite PDX1 ammo at $20 a box. Again the .40 ammo was EXCELLENT it's the 9mm that need to be better packaged or stored.

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