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Parker Mountain Machine

PMM BCD for FN SCAR (Battery Control Device)

Enlarged bolt-release paddle for the FN SCAR that lets you drop the bolt with a small trigger-finger movement.

Quick Specs

Price
$60
Weight
0.9 oz
Brand
Parker Mountain Machine
Category
lower-part

Features

  • Enlarged serrated paddle
  • 6061 aluminum, Type 3 hardcoat
  • Under 1 oz
  • Black or FDE

Compatibility Tags

family: modern-rifleplatform: fn-scar-17splatform: fn-scar-16s

Overview

The factory FN SCAR bolt release is functional but small, and dropping the bolt on a reload means breaking your firing grip to reach it. PMM's BCD (Battery Control Device) replaces it with an enlarged, finely serrated paddle that you can hit with a small movement of the trigger finger, keeping the support hand on the magazine during a reload. It is machined from 6061 aluminum with an 8625 Type 3 Class 2 hardcoat finish, weighs under an ounce, and installs in minutes with no permanent modification.

It comes in Black or FDE to match the rifle. At $60 it is a mid-priced ergonomic upgrade that meaningfully speeds up reloads on a platform whose factory controls were designed for a service rifle, not competition speed. Sold direct from Parker Mountain Machine.

Key Features

  • Enlarged, finely serrated bolt-release paddle
  • Machined 6061 aluminum
  • 8625 Type 3 Class 2 hardcoat finish
  • Under 1 oz
  • Black or FDE
  • Drop-in, no permanent modification

Pros

  • +Lets you drop the bolt without breaking firing grip
  • +All-metal construction, not polymer
  • +Drop-in install in minutes

Cons

  • Direct-only purchase from PMM
  • Pricier than the safety-lever upgrade for a single control

Detailed Specifications

type
Bolt-release (battery control) paddle
Material
6061 aluminum
finish
8625 Type 3 Class 2 hardcoat, Black or FDE
weight
Under 1 oz
compatibility
FN SCAR 16 / 17 / 20 / 15P
install
Drop-in
msrp
$60

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