LANTAC CP-R360 Domed Cam Pin – .223/5.56

Description

The LANTAC CP-R360 SmoothCam domed cam pin is a direct-purpose replacement for AR-15 bolt carrier groups compatible with .223/5.56. It is machined from 17-4 PH stainless steel and hardened to H900 (approximately 45 RC) for long service life. The domed head design and machined flats reduce contact wear inside the cam channel and allow insertion without removing the bolt carrier gas key. The part is finished in its natural copper/brass tone.

Key Specifications

• The model is CP-R360, commonly referenced as the LANTAC SmoothCam domed cam pin.
• Intended fit is for AR-15 bolt carrier groups.
• Caliber compatibility is listed as .223 / 5.56 in manufacturer materials.
• The component is machined from 17-4 PH stainless steel.
• Heat treatment achieves approximately H900 (~45 RC) hardness.
• The head features a domed profile with a single front flat and two 90° flats to reduce internal wear.
• Exterior appearance is described as a natural copper/brass color.
• Designed to be inserted without removing the gas key and to operate compatibly with mil-spec BCGs for 5.56.

The CP-R360 is a durable, precision-machined cam pin option for shooters maintaining or upgrading AR-15 bolt carrier groups where .223/5.56 compatibility is required. Its hardened 17-4 PH construction and domed head geometry are intended to reduce cam-channel wear and extend service life without introducing moving parts. The straightforward design makes it a practical choice for those who value reliable, well-executed components in a maintenance or build context.