M5 Upper Receiver AR10 BCG Combo

M5 Upper Receiver AR10 BCG Combo


Aero Precision M5 Stripped Upper + Toolcraft AR10 Black Nitride BCG


M5 Upper Receiver AR10 BCG Combo

Our M5 Upper Receiver AR10 BCG Combo pairs two top selling products at a great price to help get your next AR10 / M5 build off to a solid start.  The combo starts with a very well reviewed Aero Precision M5 Stripped Upper Receiver, and pairs nicely with the Toolcraft AR10/308 Bolt Carrier Group in a black nitride finish. 

Aero Precision M5 Stripped Upper Receiver

The M5 .308 Stripped Upper Receiver is the perfect upper for your big bore rifle build. Forged from 7075- T6 aluminum, this stripped upper is precision machined to accept standard .308 components. Match this with our M5 .308 lower receiver for a solid and dependable fit.

Manufacturer:  Aero Precision
Item #:  APAR308503C
Finish:  Black Anodized
Weight:  12.7oz
MSRP: $135.00

Toolcraft AR10/308 Black Nitride Bolt Carrier Group – Toolcraft are the experts when it comes to bolt carrier groups.  Their expertise is only further enhanced by their easy, no-questions-asked lifetime warranty.  When you purchase a Toolcraft BCG, you’re getting a solid, and dependable component for your rifle, guaranteed to perform when it matters most.

Manufacturer:  Toolcraft
Item #: TC10BCGBN308
Caliber: AR10 / 308 Winchester or 6.5 Creedmoor
MSRP:  $134.99 (308 Win) | $159.99 (6.5 Creedmoor)


> See our 308 and 6.5 Creedmoor Barrels <

Optional Add On Items

Toolcraft BCG Specifications


Manufacturer: Toolcraft
Material: 8620 Steel
Type: Full Auto / Serrations
Gas Key Material: 4130 Steel; Grade 8 Gas Key Screws
Coating: Black Nitride (BN)


Caliber: 308 Winchester or 6.5 Creedmoor
Bolt Material: 9310 Steel
Extractor Material: 4140 Steel
O-Ring: Mil-Spec (3)
Cam Pin Material: 8620 Steel
Firing Pin Material: 416 Stainless Steel
Other: MPI Inspected | Shot Peened

Arm or Ally is a stocking dealer for all Faxon Firearms, Ballistic Advantage, Rosco Manufacturing, Aero Precision, Toolcraft, Elftmann Tactical, HIPERFIRE and more. See our growing inventory of AR Parts and Reloading Components.


Additional information

Weight1 oz

Aero Precision, Toolcraft

Part Type

Bolt Carrier Group, Upper Receiver, Upper Receiver Parts



Select Bolt Type

308 Winchester, 6.5 Creedmoor