Are CMMG lower parts kits any good? The short answer is: generally, yes. CMMG has established a reputation for producing reliable and reasonably priced AR-15 components, and their lower parts kits are no exception. However, a deeper dive reveals nuances that are important to consider before purchasing. This review will explore the pros and cons, helping you determine if a CMMG lower parts kit is the right choice for your build.
What's Included in a CMMG Lower Parts Kit?
A typical CMMG lower parts kit includes all the essential components needed to complete the lower receiver of your AR-15:
- Trigger: Usually a standard mil-spec trigger, known for its reliability.
- Hammer and Hammer Pin: Crucial for the firearm's firing mechanism.
- Disconnector: Prevents accidental double firing.
- Bolt Catch: Allows the bolt to be locked to the rear.
- Bolt Catch Roll Pin: Secures the bolt catch.
- Magazine Catch: Releases the magazine.
- Magazine Catch Roll Pin: Secures the magazine catch.
- Grip Screw: Fastens the pistol grip.
- Trigger Pin: Connects the trigger group components.
- Hammer Pin: Secures the hammer.
- Take-Down Pins: Allow for easy field stripping.
- Pistol Grip Screw: Secures the pistol grip to the lower receiver.
Pros of Choosing a CMMG Lower Parts Kit
- Reliability: CMMG's reputation precedes them. Their parts are generally well-made and function reliably, a crucial factor for any firearm component.
- Affordability: Compared to some higher-end brands, CMMG kits offer excellent value for the price. They provide a solid balance between cost and quality.
- Ease of Installation: The parts are typically well-machined and fit together smoothly, making installation relatively straightforward, even for less experienced builders.
- Availability: CMMG lower parts kits are widely available from various reputable online retailers and gun shops, ensuring convenient access.
Cons to Consider
- Mil-Spec Design: While reliable, a mil-spec trigger can feel gritty and have a longer pull compared to aftermarket enhanced triggers. If you prioritize a smoother or lighter trigger pull, you may want to upgrade later.
- Potential for Minor Variations: Like any mass-produced item, there might be slight variations in finish or tolerances between individual kits. This is usually insignificant for functionality but something to keep in mind.
CMMG Lower Parts Kits vs. Other Brands
CMMG competes with several other well-respected manufacturers of AR-15 lower parts kits. While a direct comparison is beyond the scope of this review, key factors to consider when comparing brands include price, materials used, reputation for quality, and included features (some kits may include additional components like enhanced triggers or safety selectors).
Conclusion: Is a CMMG Lower Parts Kit Right for You?
For budget-conscious builders seeking reliable and functional parts, a CMMG lower parts kit represents an excellent choice. Their proven track record and ease of installation make them a popular option. While you might opt for an upgrade to an aftermarket trigger later, the CMMG kit offers a solid foundation for your AR-15 build. Remember to always prioritize safety and follow proper firearm handling procedures during assembly and use. This review is for informational purposes only and should not be considered professional advice. Always consult with a qualified gunsmith if you have any doubts or concerns during the build process.
