Colt Mil-Spec AR-15 Bolt Carrier Group (SP64028)
The Colt-made carrier clone builders want. M16 full-auto profile, chrome-lined carrier and gas key, HPT/MPI tested. Hard to find.
- Price
- $230
- Brand
- Colt
- Category
- Bolt Carrier Groups
Featured in
Features
- •M16 full-auto profile
- •Chrome-lined carrier and gas key
- •HPT and MPI tested
- •Black parkerized finish
- •5.56 NATO / .223 Rem / .300 BLK
Capability Boosts
Recommended For
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Where to Buy
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Colt Mil-Spec AR-15 Bolt Carrier Group 5.56x45mm NATO Matte Black
Price History
90-day low $229.99More AR-15 guides & articles
Guides
Overview
The Colt SP64028 is the complete bolt carrier group Colt sells into the commercial channel, and it matters for one reason: issued MK18, SOPMOD Block I and II, and URGI rifles run Colt-supplied carriers. If you are photo-matching a specific reference rifle rather than building in the general style of one, this is the carrier that belongs in it.
Mechanically it is a mil-spec M16-profile carrier group with a chrome-lined carrier bore and gas key, a properly staked gas key, a black parkerized finish, and HPT and MPI testing. It ships complete rather than stripped, and drops into any standard AR-15 or M16-pattern upper chambered in 5.56 NATO, .223 Remington, or .300 Blackout.
One thing to know before ordering: Colt markings vary between production runs. Some carriers show the Colt "C" roll mark with MPC or MPC-2 bolt stamps, others ship with a white dot on the bolt and no external carrier marking. If a specific marking is the point of the purchase, buy from somewhere that will show you the actual unit.
Key Features
- M16 full-auto profile carrier
- Chrome-lined carrier bore and gas key
- Properly staked gas key
- High pressure tested and magnetic particle inspected
- Black parkerized finish
- Complete assembly, not a stripped carrier
Pros
- +Colt-made, which is the whole point for a photo-matched clone build
- +Mil-spec M16 profile, chrome-lined carrier and gas key, HPT/MPI tested
- +Ships complete rather than as a stripped carrier
- +Correct carrier for MK18, SOPMOD Block I and II, and URGI references
Cons
- −Markings vary by production run, so the C roll mark and MPC bolt stamps are not guaranteed
- −Hard to find
- −Costs more than an equivalent BCM, Daniel Defense, or Toolcraft carrier
Detailed Specifications
- mpn
- SP64028
- coating
- Black parkerized
- carrierInterior
- Chrome-lined
- gasKey
- Chrome-lined, properly staked
- mpiTested
- Yes
- hptTested
- Yes
- profile
- M16 full-auto
- compatibility
- 5.56 NATO, .223 Remington, .300 Blackout
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Build Your Custom Configuration
Add the Colt Mil-Spec AR-15 Bolt Carrier Group (SP64028) to your build and see how it enhances your platform.