ProMag AR-15 Ambidextrous Single Point Sling Attachment Plate

Promag
MPN:
PM140A
UPC:
708279007804
$11.69
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The ProMag Ambidextrous Single Point Sling Attachment Plate is a precision-engineered AR-15 accessory that replaces your standard collapsible stock retaining plate, giving you a dedicated, rock-solid anchor point for single-point sling carry.

  • Replaces standard 4- or 6-position collapsible buttstock retaining plate
  • Integrated loops accept hook-type single-point sling fasteners securely
  • True ambidextrous design supports right- or left-side carry comfortably
  • Durable carbon steel construction withstands hard field and range use
  • Black-oxide finish resists corrosion and reduces surface glare effectively
  • Drop-in installation requires no permanent modification to your rifle

Who This Is For

This sling attachment plate is ideal for AR-15 and M4-style rifle owners who want a clean, low-profile single-point sling setup without adding aftermarket adapters or hardware. It suits competitive shooters, home defenders, and tactical enthusiasts who demand quick weapon transitions and ambidextrous versatility from a simple, affordable upgrade.

ProMag Ambidextrous Single Point Sling Attachment Plate - Black Oxide Carbon Steel

Specifications

BrandProMag
ModelPM140A
CategoryEnd Plates / Castle Nuts
Sling Type SupportedSingle Point
CompatibilityAR-15 / M4 Collapsible Stock (4 or 6 position)
MaterialCarbon Steel
FinishBlack Oxide
HandednessAmbidextrous
InstallationDrop-In Replacement
Country of OriginUSA

Frequently Asked Questions

Which AR-15 stocks is this sling plate compatible with?

The ProMag Ambidextrous Single Point Sling Attachment Plate is designed to replace the retaining end plate on standard mil-spec AR-15 and M4-style carbines equipped with 4-position or 6-position collapsible buttstocks. It is not intended for fixed-stock configurations. If your rifle runs a standard mil-spec buffer tube and collapsible stock, this plate should be a direct drop-in fit.

What type of sling hardware will attach to this plate?

The plate features integrated loops designed to accept hook-type single-point sling connectors, including common snap hooks and quick-detach (QD) hook fasteners found on most aftermarket single-point slings. It is specifically designed for single-point sling setups — it is not intended for two-point or three-point sling configurations, which typically require different mounting solutions.

Do I need any special tools to install this end plate?

Installation requires removing your existing castle nut and end plate, which typically calls for an armorer's wrench and a bench block or vise to safely support the lower receiver. The ProMag plate reinstalls in the same manner as your factory end plate. It is recommended to apply a small amount of threadlocker and properly stake the castle nut upon reinstallation to ensure it stays secure under recoil.