Skip to main content
We may get paid by partner for deals, including promoted items

Menu

Trending
Top Brands Palmetto State ArmoryHot Yeti CoolerDeal NatchezDeal SitkaDeal 5.11Sale Winter Clearance Amazon Pickleball Sale Amazon FitnessHot Stores
TacFire BU9MM4 Pistol Upper Assembly 9mm Luger 4" Black Nitride Barrel 7075-T6 Aluminum Black Anodized Receiver M-LOK Handguard for AR-Platform by Tacfire -

Product Description

TacFire BU9MM4 Pistol Upper Assembly 9mm Luger 4" Black Nitride Barrel 7075-T6 Aluminum Black Anodized Receiver M-LOK Handguard for AR-Platform

TacFire BU9MM4 Pistol Upper Assembly 9mm Luger 4" Black Nitride Barrel 7075-T6 Aluminum Black Anodized Receiver M-LOK Handguard for AR-Platform

at Shooting Surplus
Browse all Shooting Surplus deals
$273.37
In Stock at Shooting Surplus
Price verified today
Buy Now at Shooting Surplus
Secure checkout Easy returns
or compare prices
Amazon logo Amazon eBay logo eBay

Product Details

Brand Tacfire
MPN BU9MM4
Gun Parts Tacfire

Shop more Tacfire Barrels

All 22 in-stock Tacfire Barrels from 8 stores →

More from Tacfire

Ammunition Depot
Last Updated:
Oct 31, 2026 06:51 AM
TacFire AR Build Kit 6.5 Creedmoor Rifle Black Nitride TacFire AR Build Kit 6.5 Creedmoor Rifle Black Nitride View Details
$514.99
Buy Now · $514.99
Ammunition Depot
Ammunition Depot
Last Updated:
Oct 31, 2026 06:51 AM
TacFire AR .308 Rifle Upper with 20 Barrel and BCG TacFire AR .308 Rifle Upper with 20 Barrel and BCG View Details
$416.99
Buy Now · $416.99
Ammunition Depot
Ammunition Depot
Last Updated:
Oct 31, 2026 06:51 AM
TacFire Unassembled AR15 16 Rifle Build Kit TacFire Unassembled AR15 16 Rifle Build Kit View Details
$314.99
Buy Now · $314.99
Ammunition Depot
Ammunition Depot
Last Updated:
Oct 31, 2026 06:51 AM
TacFire 45 ACP Rifle Upper with 16 Barrel and M-LOK Handguard TacFire 45 ACP Rifle Upper with 16 Barrel and M-LOK Handguard View Details
$295.49
Buy Now · $295.49
Ammunition Depot
Ammunition Depot
Last Updated:
Oct 31, 2026 06:51 AM
TacFire ACE 15 MLOK Handguard .308 Black Anodized Aluminum TacFire ACE 15 MLOK Handguard .308 Black Anodized Aluminum View Details
$59.99
Buy Now · $59.99
Ammunition Depot
Ammunition Depot
Last Updated:
Oct 31, 2026 06:51 AM
Tacfire Matte Black Pistol Buffer Tube 5.5oz Tacfire Matte Black Pistol Buffer Tube 5.5oz View Details
$23.49
Buy Now · $23.49
Ammunition Depot
Ammunition Depot
Last Updated:
Oct 31, 2026 06:51 AM
TacFire Pistol Buffer Tube with Foam Cover Matte Black for AR15 TacFire Pistol Buffer Tube with Foam Cover Matte Black for AR15 View Details
$15.49
Buy Now · $15.49
Ammunition Depot
Ammunition Depot
Last Updated:
Oct 31, 2026 06:51 AM
Tacfire Dust Cover AR10 Black Steel Complete Assembly 3.31 Tacfire Dust Cover AR10 Black Steel Complete Assembly 3.31 View Details
$9.49
Buy Now · $9.49
Ammunition Depot
Ammunition Depot
Last Updated:
Oct 31, 2026 06:51 AM
Tacfire M-lok 5 Accessory Picatinny Rail 11 Slots Black Anodized Tacfire M-lok 5 Accessory Picatinny Rail 11 Slots Black Anodized View Details
$7.99
Buy Now · $7.99
Ammunition Depot
Ammunition Depot
Last Updated:
Oct 31, 2026 06:51 AM
Tacfire Keymod Picatinny Rail 3 7 Slots Black 7 Slots Keymod 3 17 Tacfire Keymod Picatinny Rail 3 7 Slots Black 7 Slots Keymod 3 17 View Details
$6.99
Buy Now · $6.99
Ammunition Depot
Ammunition Depot
Last Updated:
Oct 31, 2026 06:51 AM
TacFire M-LOK Picatinny Rail 2.38 Black Anodized Aluminum TacFire M-LOK Picatinny Rail 2.38 Black Anodized Aluminum View Details
$6.99
Buy Now · $6.99
Ammunition Depot
Ammunition Depot
Last Updated:
Oct 31, 2026 06:51 AM
TacFire M-LOK Picatinny Section Rail 3 7 Slots Black Anodized TacFire M-LOK Picatinny Section Rail 3 7 Slots Black Anodized View Details
$6.99
Buy Now · $6.99
Ammunition Depot
Ammunition Depot
Last Updated:
Oct 31, 2026 06:51 AM
TacFire AR Build Kit Pistol .45 ACP Black Nitride TacFire AR Build Kit Pistol .45 ACP Black Nitride View Details
$334.99
Buy Now · $334.99
Ammunition Depot
Ammunition Depot
Last Updated:
Oct 31, 2026 06:51 AM
Tacfire Ar-10 Lower Parts Kit Tacfire Lpk02b-308 Ar10 Lower Parts Kit Tacfire Ar-10 Lower Parts Kit Tacfire Lpk02b-308 Ar10 Lower Parts Kit View Details
$63.49
Buy Now · $63.49
Ammunition Depot
Ammunition Depot
Last Updated:
Oct 31, 2026 06:51 AM
Tacfire 6 Position Tacfire Mar046-308 Ar10 Buffer Tube Spring Tacfire 6 Position Tacfire Mar046-308 Ar10 Buffer Tube Spring View Details
$5.49
Buy Now · $5.49
Ammunition Depot
Ammunition Depot
Last Updated:
Oct 31, 2026 06:51 AM
TacFire AR Build Kit 308 Black Nitride for AR10 TacFire AR Build Kit 308 Black Nitride for AR10 View Details
$490.99
Buy Now · $490.99
Ammunition Depot
Ammunition Depot
Last Updated:
Oct 31, 2026 06:51 AM
TacFire AR Pistol Build Kit with 9MM Barrel and Accessories TacFire AR Pistol Build Kit with 9MM Barrel and Accessories View Details
$476.49
Buy Now · $476.49
Ammunition Depot
Ammunition Depot
Last Updated:
Oct 31, 2026 06:51 AM
TacFire AR Build Kit Pistol 300 BLK Black Parkerized Steel TacFire AR Build Kit Pistol 300 BLK Black Parkerized Steel View Details
$426.99
Buy Now · $426.99
Ammunition Depot
Ammunition Depot
Last Updated:
Oct 31, 2026 06:51 AM
TacFire AR Build Kit 45 ACP Black Nitride for AR Platform TacFire AR Build Kit 45 ACP Black Nitride for AR Platform View Details
$344.99
Buy Now · $344.99
Ammunition Depot
Ammunition Depot
Last Updated:
Oct 31, 2026 06:51 AM
TacFire Pistol Kit .45 ACP Black Steel USA Made TacFire Pistol Kit .45 ACP Black Steel USA Made View Details
$322.49
Buy Now · $322.49
Ammunition Depot