The DoubleTap .40 S&W 135gr Controlled Expansion 20-round box is a lighter-bullet home defense load from DoubleTap. DoubleTap says penetration is 11.75 inches and expansion is 0.68 inch in 10 percent gelatin, which makes it less likely to over penetrate while delivering a lot of energy on target. The 135-grain Controlled Expansion JHP is rated at 1350 fps and 567 ft-lbs from a 4.0-inch Glock 23. Each box holds 20 rounds.

Key Specifications

• The chambering is .40 S&W, so confirm it matches the chambering marked on your firearm.
• Bullet weight is 135 grains, the weight listed for this Controlled Expansion load.
• The bullet is a Controlled Expansion JHP, DoubleTap’s defensive design.
• From a 4.0-inch Glock 23 the load is rated at 1350 fps and 567 ft-lbs.
• From a 3.5-inch barrel it is rated at 1310 fps and 515 ft-lbs.
• From a 4.5-inch barrel it is rated at 1420 fps and 605 ft-lbs.
• In 10 percent gelatin DoubleTap reports 11.75 inches of penetration and 0.68 inch of expansion.
• Each box holds 20 rounds, the quantity listed on the DoubleTap product page.

Frequently Asked Questions

Is this load likely to over penetrate? DoubleTap says the 11.75 inches of penetration in 10 percent gelatin makes it less likely to over penetrate while delivering a lot of energy on target.

How fast is it from a Glock 23? DoubleTap lists 1350 fps and 567 ft-lbs from a 4.0-inch Glock 23.

What bullet weight is this? It uses a 135-grain Controlled Expansion jacketed hollow point.

Buy the DoubleTap Controlled Expansion .40 S&W 135gr JHP Ammunition, 20-Round Box

A 135-grain .40 S&W is a different recoil impulse than a 180-grain load, and the only way to know how it suits you is to shoot it. Order it from our Lubbock, Texas gun shop for fast, insured shipping and see more handgun ammunition.