45 Complete Pistol Upper
As with all quality weapons, you have to start with a solid base, and our JT-45 complete upper receiver is precision CNC-machined from solid aerospace billet aluminum. This complete upper receiver is perfect for any high-quality .45 pistol build. Add in our 9" free float handguard, and you have a very attractive, functional, and lightweight precision weapon.
- T6 Aerospace-grade Billet aluminum lower and upper receivers
- Nitride-treated precision machined 8.5" .45 Barrel
- 1:16 twist rate
- Reduced-friction black nitride bolt carrier group
- MPI/HP tested bolt
- 5/8-24 threads
- Chamber .45
- Extended M4 Feed Ramps
- JT 9" Float M-LOK Rail
- JT Flash Can recessed into handguard
- Billet 7075 Charging Handle with ambidextrous controls
- Made in the USA
Warning: The shortest legal length barrel for a rifle is 16". The barrel length of this upper is shorter than 16". Check your local laws before using.
Frequently purchased together
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$25.00
![AR-45 80% Lower Receiver](https://jtactical.com/cdn-cgi/image/format=avif/https://jtactical-images.s3.us-west-1.amazonaws.com/products/h4PALDTT54YRGu1C68lwqpER53Ww2dDaAmYyK3kD.jpeg)
$169.00
![JT AR-15 Compatible Grip](https://jtactical.com/cdn-cgi/image/format=avif/https://jtactical-images.s3.us-west-1.amazonaws.com/products/c7cb498d805d0bfc3935b9849772164e.png)
$18.95
![CMMG LPK 45 WITH FIRE CONTR](https://jtactical.com/cdn-cgi/image/format=avif/https://jtactical-images.s3.us-west-1.amazonaws.com/products/uIS2NRCKo2nGarafQtlvGAUgnYkAzs6EUkuBGGkc.jpeg)
$89.00
Recent reviews
5 out of 5 stars
Great products
I absolutely love the effort put into the parts I have gotten from JT there all make with great quality!
Tristan D.
Verified5 out of 5 stars
45 Complete Pistol Upper
Really nice upper, I love the JT Flash Can it comes with which makes it look so sick. Performs great and paired it with the 80% lower for a great build.
Blake L.
Verified5 out of 5 stars
Amazing
Absolutely amazing quality upper! So far not a single issue and wouldn’t change a thing if I could.
kevin l.
Verified