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Questions & Answers
Will this upper work with Glock magazines Expert Answer

The manufacturer does not state what magazines the TacFire .45 ACP Complete Upper Assembly is compatible with. I recommend contacting TacFire for that information.

by Hunter, Gear Expert, January 10, 2023
Will this upper function properly with the stern defense m&p45 Magwell conversion? Manufacturer Answer

No, our BCG's are only compatible with Glock or Colt mags

by TACFIRE INC., Manufacturer, October 29, 2025
Customer Reviews
Helpful Negative Review
Junk from Tacfire by Mark Amodio, Verified Owner, November 26, 2024
Absolutely junk. Not a single round will chamber. Round will only feed 3/4 of the way, then jams in the barrel. Even if there was a forward assist, it still wouldn't feed completely. I've built a lot of AR platform weapons and this is a complete piec...
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1/1 found this helpful
Most Recent Reviews
Tacfire 45acp complete upper by Ric, March 19, 2024
Shipping was fast , product was exactly as described complete with bcc and charging handle, comes with a nice muzzle device
Most Recent Reviews
Nice upper, top notch quality � by thingsthatgobang, Verified Owner, January 28, 2024
Fast shipping and came well packaged. Nice upper for sure. Can't wait to get to the range and get some rounds ran through it! Definitely recommend getting this bad boy if you're in the market for a .45 ACP upper for a great price.
0/2 found this helpful
Most Recent Reviews
Tacfire 45apc conversion kit by Wendy, October 7, 2025
I have the exact same problem even went to stronger buffer spring and 11oz buffer still jams. With stern adapter and the bse adapter so after all this money I contacted tacfire via email with all info and they still haven't replied back to me.
Most Recent Reviews
.45 acp ar by John, February 9, 2024
This .45 acp complete upper arrived swiftly. Shipping was reasonable. Quality is excellent. I have tried four brands of ammo in 230 and 185 weight and all function without issues. I am quite pleased
Read All 5 Reviews
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Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for TacFire .45 ACP Complete Upper Assembly

Meant to be a superb product for nearly anybody, we're positive you will appreciate the TacFire .45 ACP Complete Upper Assembly.image

Formulated by using several of the most extremely sturdy and dependable resources around, these AR15 Upper Receivers from TacFire can provide a product that gives you numerous years of consistency.

TacFire has been generating superior quality products for a number of years, and the TacFire .45 ACP Complete Upper Assembly is their approach to showing you just how much they are concerned.

Right here at OpticsPlanet, we ensure that it is our responsibility to obtain the perfect solution for your preferences, and featuring the TacFire .45 ACP Complete Upper Assembly is something that we are happy to offer.

WARNING: California`s Proposition 65

Specifications for TacFire .45 ACP Complete Upper Assembly:

Manufacturer: TacFire
Caliber: .45 ACP
Barrel Profile: Government
Barrel Twist Rate: 1-16
Threads per Inch: 5/8x34
Handguard Type: Free-Float
Muzzle Device: Linear Compensator
Finish: Type III Hard Anodized
Color: Black
Gun Rail: M-LOK
Condition: New
Barrel Material: 4150 Chrome Moly Vanadium
Magazine Included: No
Mount Type: M-LOK
Country of Origin: USA

Features of TacFire .45 ACP Complete Upper Assembly

  • Complete built M-LOK freefloat upper chambered in .45 ACP

Package Contents:

  • TacFire .45 ACP Complete Upper Assembly
  • Bolt Carrier Group / Charging Handle

TacFire .45 ACP Complete Upper Assembly Orderable Models

List of Orderable Models

  • TacFire Complete Upper Assembly, .45 ACP , 7in, Type III Hard Anodized, Black, Large, BU-45ACP-7 , MPN: BU-45ACP-7 , UPC: 729205517822 , Code: 29U-URC-BLUR9-BU-45ACP-7
  • TacFire Complete Upper Assembly, .45 ACP , 16in, Type III Hard Anodized, Black, Large, BU-45ACP-16 , MPN: BU-45ACP-16 , UPC: 729205516054 , Code: 29U-URC-BLUR9-BU-45ACP-16

TacFire .45 ACP Complete Upper Assembly Unavailable & Discontinued Models

List of Unorderable Models

  • USED EDEMO TacFire Complete Upper Assembly, .45 ACP , 7in, Type III Hard Anodized, Black, Large, BU-45ACP-7, EDEMO1, EDEMO1, Used, Condition Good, Inspect and Rebox , MPN: BU-45ACP-7-EDEMO1-EDEMO1 , Code: 29U-URC-BLUR9-BU-45ACP-7-EDEMO1-EDEMO-RE-C
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