Heckler & Koch

Heckler & Koch Buffer Spring, HK416

Heckler & Koch Buffer Spring, Hk416 - Buffer Spring for AR-15 - view 1
Heckler & Koch Buffer Spring, Hk416 - Buffer Spring for AR-15 - view 2
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Heckler & Koch

Overview

The Heckler & Koch Buffer Spring for the HK416 is designed specifically for the AR-15 platform, providing reliable cycling and improved recoil management. This buffer spring plays a crucial role in the function of your build, ensuring that the bolt carrier group operates smoothly during firing and cycling. Commonly found in builds that prioritize reliability and performance, this component is essential for those looking to enhance their AR-15 experience.

Specifications

MPN50233166
PlatformAR-15

Available Merchants(3)

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BattleHawk Armory logo
BattleHawk Armory
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$16.72
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Brownells
Free shipping over $99
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$22.99
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Palmetto State Armory logo
Palmetto State Armory
$9.99 shipping (free over $99)
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$23.29
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Build history on GunPartPicker

Builders have added the Heckler & Koch Buffer Spring, HK416 to their builds on GunPartPicker. Since April 2026, it ranks #50 of the 116 buffer springs builders have added.

It was in stock most times we checked in October 2026, but today none of the 3 retailers we track has it in stock right now. Prices barely moved in October 2026, holding around $23.29, with no real sale all month. Listed prices start at $16.72 at BattleHawk Armory for when it comes back.

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Frequently Built With

The part most often added in each category by the builds that include this one

Wilson Combat AR-15 Lower Receiver Forged

Wilson Combat AR-15 Lower Receiver Forged

Lower Receiver$100 · out of stockin 20% of them
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger

Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger

Trigger$335in 20% of them
Timber Creek Outdoors Ambidextrous Safety Selector - Black

Timber Creek Outdoors Ambidextrous Safety Selector - Black

Safety$20in 40% of them
Magpul MOE-SL Grip Polymer Black

Magpul MOE-SL Grip Polymer Black

Pistol Grip$16in 20% of them
B5 Systems SOPMOD Enhanced Stock, Multi-Camo Black - SOP-1422

B5 Systems SOPMOD Enhanced Stock, Multi-Camo Black - SOP-1422

Stock & Brace$122in 20% of them
Cryptic Coatings 5.56 NATO AR-15 Bolt Carrier Group - Mystic Bronze

Cryptic Coatings 5.56 NATO AR-15 Bolt Carrier Group - Mystic Bronze

Bolt Carrier Group$242in 20% of them

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

92.5%
AR-1592.5%
AR-104.9%
AR-92.6%

Caliber

70%
5.56 NATO70%
.223 Wylde10.2%
300 Blackout7.6%
.308 Win4.2%
9mm2.2%
Other5.7%

Gas System

50.1%
Mid-Length50.1%
Carbine25.4%
Rifle12.1%
Pistol10.6%
Blowback1.1%
Other0.8%

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