Handgun Parts
Explore premium handgun parts at Gas & Brass Armory. Whether you're upgrading your carry pistol, replacing worn components, or customizing your firearm for better performance, we offer a full selection of quality handgun parts from trusted manufacturers. Shop triggers, slides, barrels, springs, pins, recoil assemblies, and more—compatible with Glock, SIG Sauer, Smith & Wesson, Taurus, and other popular brands. Designed for reliability and precision, our parts support everything from tactical builds to everyday carry upgrades.
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SPRGFLD XDM 4.5 THRD BBL 9MM
Springfield
MSRP: $151.54$102.00Designed for factory fitment, the 9mm, 10mm and .45 ACP threaded barrels for the XD-M 4.5" model are hammer forged and finished in Melonite for unmatched durability. A thread protector is included for when a muzzle device is not presentMANUFACTURER:...MSRP: $151.54$102.00 -
BACKUP BBL FOR G17 THRDD BLK
Backup Tactical
MSRP: $216.99$155.00Backup Tactical produce their barrels in SMALL BATCHES so they can focus on machining each barrel to the most exacting standards and tolerances in the industry. The result is MATCH GRADE ACCURACY and a PRECISE DROP-IN FIT. Accuracy and fit are paramount,...MSRP: $216.99$155.00 -
BACKUP BBL FOR G19 THREADED BLK
Backup Tactical
MSRP: $216.99$155.00Backup Tactical produce their barrels in SMALL BATCHES so they can focus on machining each barrel to the most exacting standards and tolerances in the industry. The result is MATCH GRADE ACCURACY and a PRECISE DROP-IN FIT. Accuracy and fit are paramount,...MSRP: $216.99$155.00 -
BACKUP BBL SIG P320 THRD BLK
Backup Tactical
MSRP: $216.99$155.00This P320 Threaded Barrel is designed for the standard Sig P320 with the Sig Factory Barrel.MANUFACTURER: Backup TacticalMPN: S320TB-BLK-FSMODEL: 0Type of Barrel: ThreadedFit: Sig P320Caliber: 9MMType: BarrelColor: BlackMSRP: $216.99$155.00 -
BACKUP BBL FOR G43/43X THRDD BLK
Backup Tactical
MSRP: $195.99$140.00The Threaded Barrel for Glock 43/43X is a handgun that has been praised for its simplicity, affordability, and abundance of aftermarket support.MANUFACTURER: Backup TacticalMPN: G43TB-BLKMODEL: 0Type of Barrel: ThreadedFit: Fits Glock 43/43XCaliber:...MSRP: $195.99$140.00 -
ICARUS OMEGA COMP & BARREL FITS G43X
Icarus Precision
MSRP: $384.74$268.00The Omega Comp is the result of a collaboration between Icarus Precision and Agency Arms, designed to offer optimal performance with maximum convenience. This unique, tool-less, and treadles compensator is 50-state legal, making it accessible to gun...MSRP: $384.74$268.00 -
ICARUS OMEGA COMP/BARREL FITS G19 G5
Icarus Precision
MSRP: $384.74$268.00The Omega Comp is the result of a collaboration between Icarus Precision and Agency Arms, designed to offer optimal performance with maximum convenience. This unique, tool-less, and treadles compensator is 50-state legal, making it accessible to gun...MSRP: $384.74$268.00 -
ICARUS OMEGA COMP/BARREL FITS G17 G5
Icarus Precision
MSRP: $384.74$268.00The Omega Comp is the result of a collaboration between Icarus Precision and Agency Arms, designed to offer optimal performance with maximum convenience. This unique, tool-less, and treadles compensator is 50-state legal, making it accessible to gun...MSRP: $384.74$268.00 -
ZAF BBL P320C PORTED GOLD
Zaffiri Precision
MSRP: $226.79$162.00Zaffiri Precision match grade barrels for Sig Sauer P320C. High quality performance you demand with an easy drop-in barrel upgrade. his replacement barrel is precision manufactured in the USA to the highest standards providing exceptional accuracy...MSRP: $226.79$162.00 -
ZAF BBL P320C PORTED BLACK
Zaffiri Precision
MSRP: $226.79$162.00Zaffiri Precision match grade barrels for Sig Sauer P320C. High quality performance you demand with an easy drop-in barrel upgrade. his replacement barrel is precision manufactured in the USA to the highest standards providing exceptional accuracy...MSRP: $226.79$162.00 -
HK THRDD BARREL VP9 TACT 9MM 4.68
HK
MSRP: $309.83$250.00HK VP9 threaded barrel fits the standard VP9 9mm model.MANUFACTURER: Heckler & KochMPN: 245602MODEL: 0Type of Barrel: ThreadedBarrel Length: 4.68"Fit: HK VP9Caliber: 9MMType: BarrelColor: BlackMSRP: $309.83$250.00 -
HK THRDD BARREL P30 9MM 4.44
HK
MSRP: $309.83$250.00Compatible with all P30 9mm models, except P30L Models.MANUFACTURER: Heckler & KochMPN: 234391MODEL: 0Barrel Length: 4.44"Description: M13.5X1 LHFit: HK P30Caliber: 9MMType: BarrelColor: BlackMSRP: $309.83$250.00