- Product Code: 55AFF3B
CMMG Parts Kit AR15 HD Pivot and TD pins is a heavy-duty level pivot pin and takedown pin pair package compatible with AR-15, designed to facilitate and speed up the opening and closing of the receiver. Longer length and divots on the ends improve grip and allow the pins to be pushed out even with the tip of a bullet without fear of slipping. Enhanced mil-spec construction ensures reliable operation and smooth use.
The kit is based on mil-spec dimensions but has been developed to be more user-friendly. Standard 0.250 inch (6.35 mm) pin size makes it compatible with most AR-15 pattern receivers. Longer pins make takedown easier without separate tools, and the divots on the ends guide the pushing motion in a controlled manner. Tolerances have been kept tight to ensure a snug but not stiff movement, maintaining user comfort.
Special features include HD (Heavy Duty) reinforced dimensions and tool-tip-friendly divots on the ends, which provide confidence and repeatability for repeated opening and closing cycles. The solution is designed to work with mil-spec lower and upper receivers, and it provides just enough extra length to ensure a secure grip without unnecessary protrusion or obtrusive profile.
CMMG Parts Kit AR15 HD Pivot and TD pins – Features:
- Compatibility: AR-15 pattern, mil-spec lower and upper
- Pin size: 0.250 inch (6.35 mm)
- Enhanced design: longer pins speed up takedown opening
- Divots on the ends: allow pushing with, for example, the tip of a bullet without slipping
- HD construction: reinforced heavy-duty implementation for repeated use
- Package contents: 1 x pivot pin, 1 x takedown pin
- Compatibility note: not compatible with Colt Large Pin platforms (0.315 inch / 8.00 mm)
Summary: This upgrade kit offers a faster takedown experience, secure grip, and mil-spec compatibility without complex modifications. It is a sensible choice for streamlining maintenance and achieving a snug, repeatable movement in pin operation.
Recommended use: suitable for builders and users who want to improve the speed and control of the AR-15 opening and closing process on mil-spec platforms.
Product text updated on 9.3.2026.
