Bolt Carrier GroupsMid-Range

Battle Arms Development

Battle Arms Development Enhanced 9mm Blowback Bolt Carrier Group

8620 steel, hard nitride 9mm blowback BCG for Glock- and Colt-pattern builds.

Quick Specs

Price
$186
Weight
14.9 oz
Brand
Battle Arms Development
Category
bcg

Features

  • 9mm blowback bolt carrier group
  • MilSpec 8620 heat-treated steel carrier
  • Hard nitride black finish
  • Glock and Colt magazine compatible
  • 14.9 oz

Capability Boosts

Reliability+1

Recommended For

Home Defense
Duty/Patrol
duty
Outdoor Defense
first pistol
new shooters

+11 more

Compatibility Tags

family: pccfamily: ar-patternplatform: custom-ar-9caliber: 9mmar9-system: simple-blowbackmag-type: glockmag-type: colt-9mm

Overview

The Battle Arms Development Enhanced 9mm Blowback BCG uses a MilSpec 8620 heat-treated steel carrier with a hard nitride black finish. It weighs 14.9 ounces, works with Glock- and Colt-pattern magazines, and has a removable carrier weight. Battle Arms Development lists it as full-auto compatible.

Its external AR-15 style extractor uses an O-ring and spring. A standard firing pin cotter pin retains the reinforced firing pin. The ramped bottom geometry supports broad trigger compatibility, and the charging handle bears on the carrier body instead of the carrier key.

Key Features

  • MilSpec 8620 heat-treated steel carrier
  • Hard nitride black finish
  • Glock- and Colt-pattern magazine compatibility
  • Removable carrier weight
  • External AR-15 style extractor with O-ring and spring
  • Reinforced firing pin retained by a standard cotter pin
  • Ramped bottom geometry for broad trigger compatibility

Pros

  • +Supports both Glock- and Colt-pattern magazines
  • +Carrier weight is removable
  • +Charging handle bears on the carrier body rather than the carrier key

Cons

  • Selector-style forced reset systems still require a notched internal weight or a pre-cut carrier

Detailed Specifications

caliber
9mm Luger
type
Blowback bolt carrier group
Material
MilSpec 8620 heat-treated steel carrier
Finish
Hard nitride black
weight
14.9 oz
magazineCompatibility
Glock and Colt magazines
carrierWeight
Removable
extractor
External AR-15 style with O-ring and spring
firingPin
Reinforced, retained by standard cotter pin
triggerGeometry
Ramped bottom
fullAutoCompatibility
Full-auto compatible
manufacturer
Battle Arms Development
sku
BAD-BCG-9MM

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