Heckler & Koch HK4 Pistol, .25 Auto, 3.35 in barrel |

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Heckler & Koch + Firearms Heckler & Koch Firearms Heckler & Koch HK4 Pistol, .25 Auto, 3.35 in barrel Heckler & Koch + Firearms Heckler & Koch Firearms + Handguns Heckler & Koch Handguns Heckler & Koch HK4 Pistol, .25 Auto, 3.35 in barrel

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Image of Heckler & Koch HK4 Pistol, .25 Auto, 3.35 in barrel, black anodized aluminum frame, black checkered plastic grip, blowback operated semi-auto, double-action, slide mounted decock/safety lever, fixed blade and notch, 8 round magazine, HK-HK4-2-FRRMPG

Heckler & Koch HK4 Pistol, .25 Auto, 3.35 in barrel, black anodized aluminum frame, black checkered plastic grip, blowback operated semi-auto, double-action, slide mounted decock/safety lever, fixed blade and notch, 8 round magazine, HK-HK4-2-FRRMPG

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OpticsPlanet, Inc. does not currently sell this specific item regulated under the National Firearms Act (NFA).

Product Info for Heckler & Koch HK4 Pistol, .25 Auto, 3.35 in barrel

The first pistol produced by the company, designated as the HK4 due to its modular frame design that allowed for changing the barrel, spring and magazine to accommodate four different calibers. The gun design was influenced by the Mauser Model HSc.

Specifications for Heckler & Koch HK4 Pistol, .25 Auto, 3.35 in barrel:

Manufacturer:	Heckler & Koch
Gun Make:	Heckler & Koch
Gun Model:	Heckler & Koch HK4 .25 ACP
Gun Type:	Pistol
Caliber:	.25 ACP
Barrel Length:	3.35 in
Material:	Black Checkered Plastic
Sight Configuration:	Fixed blade and notch
Action Type:	Blowback
Safety Type:	Slide Mounted Manual Safety
Trigger Action:	Double-Action (DA)
Magazine Capacity:	8 Round
Weight:	18.3 oz
Height:	4.8 in
Finish:	Anodized
Firearm Frame Material:	Aluminum
Muzzle Velocity:	869 ft/s
Muzzle Energy:	84 ft-lbs

Package Contents:

Heckler & Koch HK4 Pistol, .25 Auto, 3.35 in barrel

What firearm models does the manufacturer say Heckler & Koch HK4 Pistol, .25 Auto, 3.35 in barrel is compatible with?

The manufacturer suggests that Heckler & Koch HK4 Pistol, .25 Auto, 3.35 in barrel is compatible with Heckler & Koch HK4 .25 ACP

Firearm Case

1–30 / 30

Pelican V525PF7 Vault 7-Pistol Case, Black, V525, VCV525-0061-BLK

Pelican V525PF7 Vault 7-Pistol Case, Black, V525, VCV525-0061-BLK

Pelican V300PF5 Vault Universal 5-Pistol Case

Pelican V300PF5 Vault Universal 5-Pistol Case

List: $159.99 (Save Up to 16%)

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Galati Gear DCN Case w/ 9mm Mag Pockets

Galati Gear DCN Case w/ 9mm Mag Pockets

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Elite Survival Systems Pistol Grip Shotgun Case, Black, SACB-3

Elite Survival Systems Pistol Grip Shotgun Case, Black, SACB-3

List: $76.95 (Save 23%)

Pelican VAULT V300 Case, Large Pistol, 17.54in, Black, VCV300-0000-BLK

Pelican VAULT V300 Case, Large Pistol, 17.54in, Black, VCV300-0000-BLK

List: $119.95 (Save 25%)

Pelican V100PF1 Vault Universal Pistol Case

Pelican V100PF1 Vault Universal Pistol Case

As Low As (Save Up to 20%)

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Galati Gear Takedown Case w/ Inside Straps

Galati Gear Takedown Case w/ Inside Straps

List: $42.95 (Save 14%)

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Allen Pistol Tote, Most Semi-Auto Handguns & Revolvers, Black, 3640

Allen Pistol Tote, Most Semi-Auto Handguns & Revolvers, Black, 3640

List: $23.49 (Save 40%)

Pelican VAULT V100 Small Pistol Case, 12.28in

Pelican VAULT V100 Small Pistol Case, 12.28in

List: $73.00 (Save Up to 38%)

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SKB Cases Seres Injecton Molded Ml-Standard Waterproof - Case 16inx10inx5.5in W/Layered Foam, 3I-1610-5B-L

SKB Cases Seres Injecton Molded Ml-Standard Waterproof - Case 16inx10inx5.5in W/Layered Foam, 3I-1610-5B-L

List: $168.95 (Save 17%)

UTG Pro Alpha Battle Carrier Sling Packs

UTG Pro Alpha Battle Carrier Sling Packs

List: $89.97 (Save 11%)

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SIG SAUER Negrini Pistol Case, Small, 8591242-R

SIG SAUER Negrini Pistol Case, Small, 8591242-R

Plano Aw2 Four-pistol Case, Black/Yellow, PLA118XL

Plano Aw2 Four-pistol Case, Black/Yellow, PLA118XL

List: $99.99 (Save 19%)

L2D Combat Tactical Padded Pistol Case, Black, LD-A-SPC

L2D Combat Tactical Padded Pistol Case, Black, LD-A-SPC

List: $19.95 (Save $1.00)

Flambeau Safe Shot Pistol Pack Series Gun Case

Flambeau Safe Shot Pistol Pack Series Gun Case

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VISM AR15 & AK Carbine Pistol Case, 28in, Green CVCP2960G-28

VISM AR15 & AK Carbine Pistol Case, 28in, Green CVCP2960G-28

List: $32.99 (Save 39%)

Grey Ghost Gear Soft Pistol Case

Grey Ghost Gear Soft Pistol Case

As Low As (Save Up to $5.76)

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VISM Tactical Subgun AR & AK Pistol Case, 28in, Green, CVCP2961G-28

VISM Tactical Subgun AR & AK Pistol Case, 28in, Green, CVCP2961G-28

Savior Equipment Specialist Double Rifle Case

Savior Equipment Specialist Double Rifle Case

As Low As (Save Up to 23%)

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Pelican VAULT V200 Case, Medium Pistol, 15.41in, Black, VCV200-0000-BLK

Pelican VAULT V200 Case, Medium Pistol, 15.41in, Black, VCV200-0000-BLK

List: $105.01 (Save 24%)

Voodoo Tactical OPMOD Enlarged Pistol Case, Coyote/Gray, OP-0098213000

Voodoo Tactical OPMOD Enlarged Pistol Case, Coyote/Gray, OP-0098213000

List: $39.99 (Save $2.00)

Plano Tactical Series Pistol Case, 18.25In, Black, PMC1071800

Plano Tactical Series Pistol Case, 18.25In, Black, PMC1071800

List: $50.57 (Save 24%)

SKB Cases iSeries 1209 Mil-Spec Pistol Case

SKB Cases iSeries 1209 Mil-Spec Pistol Case

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RUKX Gear Discrete AR Pistol Bag

RUKX Gear Discrete AR Pistol Bag

As Low As (Save Up to $9.96)

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MTM Tactical Pistol Handgun Case

MTM Tactical Pistol Handgun Case

As Low As (Save Up to 19%)

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Voodoo Tactical Enlarged Pistol Case

Voodoo Tactical Enlarged Pistol Case

As Low As (Save Up to 23%)

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SKB Cases 1209 Custom Single Pistol Case

SKB Cases 1209 Custom Single Pistol Case

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Pelican V100C, Vault Small Handgun Case, With Foam, Olive Drab Green, 12.28" x 12.03" x 5.16" VCV100-0020-ODG

Pelican V100C, Vault Small Handgun Case, With Foam, Olive Drab Green, 12.28" x 12.03" x 5.16" VCV100-0020-ODG

List: $65.99 (Save 24%)

Voodoo Tactical Hard Sided Pistol Case

Voodoo Tactical Hard Sided Pistol Case

As Low As (Save Up to 13%)

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Elite Survival Systems Deluxe Pistol Case, Black, ADPC-B

Elite Survival Systems Deluxe Pistol Case, Black, ADPC-B

List: $44.95 (Save 31%)

Ammunition

1–11 / 11

Hornady Custom .25 ACP 35 grain eXtreme Terminal Performance Brass Cased Centerfire Pistol Ammo, 25 Rounds, 90012

Hornady Custom .25 ACP 35 grain eXtreme Terminal Performance Brass Cased Centerfire Pistol Ammo, 25 Rounds, 90012

List: $36.51 (Save 32%)

PMC Ammunition Bronze .25 ACP 50 Grain Full Metal Jacket Brass Cased Pistol Ammo, 50 Rounds, 25A

PMC Ammunition Bronze .25 ACP 50 Grain Full Metal Jacket Brass Cased Pistol Ammo, 50 Rounds, 25A

List: $27.99 (Save 12%)

Hornady Critical Defense .25 ACP 35 grain Flex Tip eXpanding Brass Cased Centerfire Pistol Ammo, 25 Rounds, 90014

Hornady Critical Defense .25 ACP 35 grain Flex Tip eXpanding Brass Cased Centerfire Pistol Ammo, 25 Rounds, 90014

List: $41.01 (Save 11%)

Remington UMC .25 ACP 50 Grain Full Metal Jacket Pistol Ammo, 50 Rounds, 23716

Remington UMC .25 ACP 50 Grain Full Metal Jacket Pistol Ammo, 50 Rounds, 23716

List: $48.99 (Save $4.00)

Speer Gold Dot .25 ACP 35 Grain Hollow Point Pistol Ammo, 20 Rounds, 23602GD

Speer Gold Dot .25 ACP 35 Grain Hollow Point Pistol Ammo, 20 Rounds, 23602GD

List: $37.99 (Save 13%)

Magtech 25 Auto 50 Grain Full Metal Jacket Brass Cased Pistol Ammo, 50 Rounds, 25A

Magtech 25 Auto 50 Grain Full Metal Jacket Brass Cased Pistol Ammo, 50 Rounds, 25A

List: $47.99 (Save 32%)

CCI Ammunition Blazer .25 ACP 50 Grain Full Metal Jacket Aluminum Pistol Ammo, 50 Rounds, 3501

CCI Ammunition Blazer .25 ACP 50 Grain Full Metal Jacket Aluminum Pistol Ammo, 50 Rounds, 3501

List: $41.99 (Save $3.00)

PPU Handgun .25 ACP 50 Grain Full Metal Jacket Brass Cased Pistol Ammo, 50 Rounds, PPH25

PPU Handgun .25 ACP 50 Grain Full Metal Jacket Brass Cased Pistol Ammo, 50 Rounds, PPH25

List: $32.00 (Save $3.01)

Winchester USA Handgun .25 ACP 50 grain Full Metal Jacket Centerfire Pistol Ammo, 50 Rounds, Q4203

Winchester USA Handgun .25 ACP 50 grain Full Metal Jacket Centerfire Pistol Ammo, 50 Rounds, Q4203

List: $60.49 (Save 49%)

Sellier & Bellot 25 Auto/6.35 Browning 50 Grain Full Metal Jacket Brass Cased Pistol Ammo, 50 Rounds, SB25A

Sellier & Bellot 25 Auto/6.35 Browning 50 Grain Full Metal Jacket Brass Cased Pistol Ammo, 50 Rounds, SB25A

List: $31.28 (Save $2.79)

Federal .25 ACP 45 Grain Punch Hollow Point Brass Pistol Ammo, 20 Rounds, PD25P1

Federal .25 ACP 45 Grain Punch Hollow Point Brass Pistol Ammo, 20 Rounds, PD25P1

List: $26.99 (Save $2.50)

Ammo Boxes

1–1 / 1

MTM J-20-MLD Slip-Top Ammo Box

MTM J-20-MLD Slip-Top Ammo Box

Heckler & Koch HK4 Pistol, .25 Auto, 3.35 in barrel Unavailable & Discontinued Models

List of Unorderable Models

Heckler & Koch HK4 Pistol, .25 Auto, 3.35 in barrel, black anodized aluminum frame, black checkered plastic grip, blowback operated semi-auto, double-action, slide mounted decock/safety lever, fixed blade and notch, 8 round magazine, HK-HK4-2-FRRMPG , MPN: HK-HK4-2-FRRMPG , Code: 13-FH1-FRROP653-HK-HK4-2-FRRMPG

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Heckler & Koch + Firearms Heckler & Koch Firearms Heckler & Koch HK4 Pistol, .25 Auto, 3.35 in barrel Heckler & Koch + Firearms Heckler & Koch Firearms + Handguns Heckler & Koch Handguns Heckler & Koch HK4 Pistol, .25 Auto, 3.35 in barrel

Last updated 2026-09-14 UTC.