Armaspec

Armaspec Stealth Recoil Spring Kit - ARM253-AR15KIT

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SKU:
ARM253-AR15KIT
UPC:
810048492824
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The Armaspec ARM253-AR15KIT refers to the Stealth Recoil Spring (SRS) Gen 4 Tuning Kit for AR-15 platforms. This is a "captured" recoil system designed to replace the traditional buffer and spring to provide a smoother, quieter shooting experience.

What is in the Kit?

Unlike purchasing a single fixed-weight SRS, the ARM253-AR15KIT is a tuning bundle that includes:

  • One (1) SRS Gen 4 Main Unit: Pre-assembled in the "C" (Carbine) weight configuration.
  • Two (2) Interchangeable Weights: Includes an H (Heavy) and H2 weight, allowing you to swap them out to tune your rifle's cycling.

Equivalent Weights included:

  • C: 3.3 oz
  • H: 3.8 oz
  • H2: 4.7 oz

Key Features

  • Silent Operation: Because it is a self-contained unit, it prevents the spring from rubbing against the inside of the buffer tube, eliminating the "cheese grater" or "twang" sound common in AR-15s.
  • Reduced Recoil: Uses a multi-stage spring system where the second stage acts as a cushion to soften the felt recoil impulse.
  • Drop-In Installation: No special tools are required for installation. It is compatible with standard carbine-length buffer tubes.
  • Constant Tension: The buffer mass stays under constant tension against the bolt carrier group (BCG), which can improve reliability and reduce wear.

Compatibility & Installation Notes

  • Buffer Tube: Fits carbine-length buffer tubes only (not for A2 rifle-length tubes without an adapter).
  • BCG Compatibility: Most standard bolt carriers are compatible, but they must have a rear opening of at least .60" to accommodate the guide rod.
  • Buffer Retainer: You can run this with or without the standard buffer retainer pin. Many users choose to remove the pin for easier maintenance, as the SRS is self-contained.
  • Maintenance: Armaspec recommends checking the screws/roll pins for tightness during regular maintenance to ensure the unit stays secure.

Technical Specifications

Specification Detail
Model ARM253-AR15KIT (Gen 4)
Platform AR-15 / M4 / M16
Actual Weight (System) ~6.2 oz to 7.4 oz (depending on weight installed)
Overall Length 7.18 inches
Material Stainless Steel / Polymer / Steel
Manufacturer Armaspec (Made in USA)