Guntec USA has been manufacturing AR-15, AR-308 and AR 9mm accessories since 1989. Our goal is to distribute excellent quality, at an economical value.
- .45 ACP Cal
- Measurement : 0.61″ Width X 2.30″ Length
- Will Match Up With Any Brand .45 ACP Lower Receiver
- .45 Complete BCG,7.5″ .45 Barrel & Charging Handle
- US Made In Scottsdale, Arizona
- Manufactured From Solid Block Of Billet Aluminum
- Such AS Spikes, Circle Quarter 10, Etc.
- Everything Needed To Complete .45 ACP Cal Upper
- T6 6061 Billet Ejection Port Opening
- MIL-A-8625 TYPE III Anodizing
- Complete Kit Includes 9/45 Upper Receiver
Francis Chandler –
The AR-15 . ACP Cal Complete Upper Receiver Combo Kit W/ 7.5” Barrel 45 from GuntecUSA offers a fantastic upgrade for anyone looking to enhance their rifle’s performance and versatility. From the moment I unpacked it, the quality craftsmanship was evident. The entire kit feels solid, with no rough edges or loose fittings—truly a testament to American manufacturing standards. The 7.5-inch barrel strikes a perfect balance for close-quarters scenarios, making it ideal for home defense or tactical training.
Design-wise, this upper receiver combo exudes a sleek, modern look that complements fully assembled AR-15s seamlessly. The finish on the metal parts is durable and corrosion-resistant, which is a huge plus considering how well it holds up in different environments. The build quality of the handguard, receiver, and bolt carrier group feels premium, yet lightweight enough to manage comfortably during extended shooting sessions.
Functionality-wise, I appreciated how smoothly everything came together during assembly. The compatibility with AR-15 lower receivers was straightforward—no surprises there. The .ACP caliber is a bit unique in the market, which gives a slight edge in versatility, especially if you’re into experimenting with different calibers for various shooting activities. The accuracy at the range was commendable, especially considering the compact barrel length. Recoil felt minimal, and the overall shooting experience was sharp and controlled.
Value-wise, this combo kit is a smart investment. It’s priced competitively within the market for American-made complete uppers, and the quality is noticeably higher than some of the imported alternatives. For someone who values precision, reliability, and build quality in their firearms accessories, this kit checks all the boxes.
The only minor point to consider is that the shorter barrel may not be the best for prolonged shooting sessions if you’re seeking long-range precision. Nonetheless, for its intended purpose, it performs exceptionally well. Overall, this AR-15 . ACP Cal Complete Upper Receiver Combo Kit W/ 7.5” Barrel 45 is a reliable, well-made addition to any AR-15 owner’s collection. It offers excellent performance and durability at a fair price point—definitely worth considering if you’re looking to upgrade or customize your firearm with quality American-made parts.