Trending Bolt Carrier Groups

The most popular AR-15 bolt carrier groups this week, ranked by builder interest.

Updated · ranked by real data

The parts builders added most in August 2026, ranked from every build on GunPartPicker.

  1. 1.Bravo Company M16 Bolt Carrier Group BlackBravo Company · Bolt Carrier Group
  2. 2.Aero Precision AR-15 5.56 BCG W/C158 Bolt - Aero Logo - PhosphateAero Precision · Bolt Carrier Group
  3. 3.Cryptic Coatings 5.56 NATO AR-15 Bolt Carrier Group - Mystic BronzeCryptic Coatings · Bolt Carrier Group
  4. 4.Wilson Combat M16 Bolt Carrier Assy 5.56 NATO Polished Black NitrideWilson Combat · Bolt Carrier Group
  5. 5.FAXON Firearms 5.56 M16 Bolt Carrier Group Nitride TIN PVDFaxon Firearms · Bolt Carrier Group
  6. 6.Wilson Combat .308 Win Bolt Carrier Assembly, Nickel Boron - TR-BCA-NB-308Wilson Combat · Bolt Carrier Group
  7. 7.Spike's Tactical 5.56 NATO M16 Cut Lightweight AR-15 Bolt Carrier Group - Nickel BoronSpike's Tactical · Bolt Carrier Group
  8. 8.PSA AR-15 Bolt Carrier Group 5.56 Full-Auto Nitride MPI - 516446953Palmetto State Armory · Bolt Carrier Group
  9. 9.Wilson Combat M16 Bolt Carrier Assy 5.56 NATO Polished Nickel BoronWilson Combat · Bolt Carrier Group
  10. 10.LMT Defense 5.56 F-A BOLT CARRIER GROUP - R-L7D3Lewis Machine & Tool · Bolt Carrier Group

Updated · counts come from real builds on GunPartPicker

Most Popular AR-15 Bolt Carrier Groups This Week

These rankings update every 30 minutes based on what GunPartPicker visitors are actually clicking through to buy — not just browsing. Compare prices and stock status across all our partner merchants in one place, and use the Sort menu to switch between Today's data and the full week or to reorder by price.

Wilson Combat M16 Bolt Carrier Assy 5.56 Nato Polished Blk Nitride
#1

Bolt Carrier Group

Wilson Combat M16 Bolt Carrier Assy 5.56 Nato Polished Blk Nitride

$150.49

Bravo Company M16 Bolt Carrier Group Black
#2

Bolt Carrier Group

Bravo Company M16 Bolt Carrier Group Black

$199.00

Cryptic Coatings 5.56 Nato Ar-15 Bolt Carrier Group - Mystic Bronze
#3

Bolt Carrier Group

Cryptic Coatings 5.56 Nato Ar-15 Bolt Carrier Group - Mystic Bronze

$217.99

PSA AR-15 Bolt Carrier Group 5.56 Full-Auto Nitride MPI - 516446953
#4

Bolt Carrier Group

PSA AR-15 Bolt Carrier Group 5.56 Full-Auto Nitride MPI - 516446953

$89.99

Spike's Tactical 5.56 Nato M16 Cut Lightweight Ar-15 Bolt Carrier Group - Nickel Boron
#5

Bolt Carrier Group

Spike's Tactical 5.56 Nato M16 Cut Lightweight Ar-15 Bolt Carrier Group - Nickel Boron

$201.75

Faxon Firearms 5.56 M16 Bolt Carrier Group Nitride Chameleon PVD
#6

Bolt Carrier Group

Faxon Firearms 5.56 M16 Bolt Carrier Group Nitride Chameleon PVD

$165.60

Faxon Firearms 5.56 M16 Bolt Carrier Group Nitride TiN PVD
#7

Bolt Carrier Group

Faxon Firearms 5.56 M16 Bolt Carrier Group Nitride TiN PVD

$159.00

FailZero Exo Coated M16 / Ar-15 Bolt Carrier Group - Black
#8

Bolt Carrier Group

FailZero Exo Coated M16 / Ar-15 Bolt Carrier Group - Black

$135.63

CMMG .308 Win/7.62 Bolt Carrier Group, Black - 38BA423
#9

Bolt Carrier Group

CMMG .308 Win/7.62 Bolt Carrier Group, Black - 38BA423

$243.00

Wilson Combat .308 Win Bolt Carrier Assembly, Nickel Boron - TR-BCA-NB-308
#10

Bolt Carrier Group

Wilson Combat .308 Win Bolt Carrier Assembly, Nickel Boron - TR-BCA-NB-308

$243.99

Cryptic Coatings 5.56 Nato Ar-15 Bolt Carrier Group - Mystic Black
Popular

Bolt Carrier Group

Cryptic Coatings 5.56 Nato Ar-15 Bolt Carrier Group - Mystic Black

$238.99

Commercial Bolt Carrier Group - Auto
Popular

Bolt Carrier Group

Commercial Bolt Carrier Group - Auto

$59.95

M16 Bolt Carrier Group 5.56X45mm NATO Full Chrome
Popular

Bolt Carrier Group

M16 Bolt Carrier Group 5.56X45mm NATO Full Chrome

$116.99

Sons of Liberty Gun Works Ar-15 5.56 Bolt Carrier Group 158 Carpenter Sp/hpt/mpi
Popular

Bolt Carrier Group

Sons of Liberty Gun Works Ar-15 5.56 Bolt Carrier Group 158 Carpenter Sp/hpt/mpi

$179.00

FailZero M16 / Ar-15 Exo Coated Bolt Carrier Group
Popular

Bolt Carrier Group

FailZero M16 / Ar-15 Exo Coated Bolt Carrier Group

$132.79

JP Enterprises Aluminum Ultra Low Mass Bolt Carrier w/ Titanium Firing Pin & Gas Ring - JPBC-1
Popular

Bolt Carrier Group

JP Enterprises Aluminum Ultra Low Mass Bolt Carrier w/ Titanium Firing Pin & Gas Ring - JPBC-1

$346.75

PSA 5.56 Premium Full Auto Bolt Carrier Group with Logo - 8779
Popular

Bolt Carrier Group

PSA 5.56 Premium Full Auto Bolt Carrier Group with Logo - 8779

$119.99

Cryptic Bolt Carrier Group BCG - Complete 6.5mm Grendel II Mystic Silver
Popular

Bolt Carrier Group

Cryptic Bolt Carrier Group BCG - Complete 6.5mm Grendel II Mystic Silver

$221.99

Aero Precision .308 Bolt Carrier Group - Black Nitride
Popular

Bolt Carrier Group

Aero Precision .308 Bolt Carrier Group - Black Nitride

Toolcraft 5.56 Phosphate MPI Full-Auto Bolt Carrier Group - No Logo
Popular

Bolt Carrier Group

Toolcraft 5.56 Phosphate MPI Full-Auto Bolt Carrier Group - No Logo

$99.99

CMMG .22 LR AR Conversion Kit Bravo w/ Bolt and 25rd Mag - 22BA6E1
Popular

Bolt Carrier Group

CMMG .22 LR AR Conversion Kit Bravo w/ Bolt and 25rd Mag - 22BA6E1

$144.99

Cryptic .223 / 5.56 / .300 AAC Blackout Bolt Carrier Group BCG Dragon's Breath
Popular

Bolt Carrier Group

Cryptic .223 / 5.56 / .300 AAC Blackout Bolt Carrier Group BCG Dragon's Breath

$242.25

Lmt Defense 5.56 Full Auto Bolt Carrier Group Ambidextrous Charging Handle Combo Bcg Charging Handle Upgrade Kit
Popular

Bolt Carrier Group

Lmt Defense 5.56 Full Auto Bolt Carrier Group Ambidextrous Charging Handle Combo Bcg Charging Handle Upgrade Kit

$249.75

Lantac Enhanced Bolt Carrier Group - E-BCG
Popular

Bolt Carrier Group

Lantac Enhanced Bolt Carrier Group - E-BCG

$261.99