Rifle PartsBeretta UsaSold by Brownells

Beretta Usa

Bolt Release Spring Arx 100

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

This replacement bolt release spring is made for the ARX 100 platform and is listed for use with 5.

Replacement Bolt

Release spring for the ARX

Compatible Arx

ARX 100 rifles chambered in

Compatible Arx

ARX 100 rifles chambered in

Beretta Usa

Manufactured part

Listed As

Low-cost replacement component

$2.99
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SKU: 913000553

Overview

This replacement bolt release spring is made for the ARX 100 platform and is listed for use with 5.56 and .223 Rem setups. It is a straightforward service part for maintaining the rifle’s bolt release function when a spring needs to be replaced. For hunters and shooters who keep an ARX 100 in working order, it offers a simple, model-specific maintenance option. Beretta USA identifies it as a dedicated fitment part rather than a general-purpose component.

AI Recommendation

This replacement bolt release spring is made for the ARX 100 platform and is listed for use with 5.

Why Hunters Choose the Beretta Usa

Fits Arx

100 rifles chambered in 5.56

Factory-style Replacement

Part from Beretta USA

Simple Component

For maintaining bolt release function

Low-cost Part

For routine repair or replacement

Replacement Bolt

Release spring for the ARX

Key Features

  • Replacement bolt release spring for the ARX 100
  • Compatible with ARX 100 rifles chambered in 5.56
  • Compatible with ARX 100 rifles chambered in .223 Rem
  • Beretta USA manufactured part
  • Listed as a low-cost replacement component

Best Used For

  • ARX 100 owners needing a replacement bolt release spring
  • Users maintaining an ARX 100 chambered in 5.56 or .223 Rem
  • Routine parts replacement during ARX 100 service or repair
  • Armorer or gunsmith work focused on ARX 100 compatibility

Specifications

Country Of OriginBeretta Usa
FitsARX 100, 5.56, 223 Rem

Pros

  • Fits ARX 100 rifles chambered in 5.56 and .223 Rem
  • Factory-style replacement part from Beretta USA
  • Simple component for maintaining bolt release function
  • Low-cost part for routine repair or replacement needs

Considerations & Trade-offs

  • Compatibility is limited to the ARX 100 in 5.56/.223 Rem, so it is not a universal replacement part.
  • This is a small internal spring, so it is best suited for maintenance or repair rather than a standalone upgrade.
  • The product data does not specify included hardware or installation instructions, so fitment and replacement details may need to be confirmed before purchase.

Suggested Comparisons

  • ARX 100 replacement springs
  • ARX 100 bolt release parts
  • AR-pattern rifle small parts
  • Rifle maintenance and repair parts

Suggested Accessories

  • Spare springs
  • Small parts organizer
  • Armorer’s tool kit
  • Cleaning kit

Frequently Asked Questions

What firearm does this bolt release spring fit?

It is listed as fitting the ARX 100.

Is this part specific to a certain caliber?

The provided fitment information lists 5.56 and .223 Rem.

Who makes this part?

The long description identifies the manufacturer as Beretta USA.

Is this a complete bolt release assembly?

The source data identifies it as a bolt release spring only; it does not describe a complete assembly.

Does the product data include installation instructions or compatibility beyond the listed fitment?

No. The provided information only states the listed fitment and manufacturer.