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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BACKUP BBL FOR G19 THREADED FDE
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 SIG P320 CMPCT THRD FDE
Backup Tactical
MSRP: $216.99$155.00This P320 Compact Threaded Barrel is designed for the standard Sig P320 Compact with the 3.9" Sig Factory Barrel, NOT the P320 X-Series Compact with the 3.6" Sig Factory Barrel that was discontinued by Sig.MANUFACTURER: Backup TacticalMPN:...MSRP: $216.99$155.00 -
BACKUP BBL SIG P320 CMPCT THRD BLK
Backup Tactical
MSRP: $216.99$155.00This P320 Compact Threaded Barrel is designed for the standard Sig P320 Compact with the 3.9" Sig Factory Barrel, NOT the P320 X-Series Compact with the 3.6" Sig Factory Barrel that was discontinued by Sig.MANUFACTURER: Backup TacticalMPN:...MSRP: $216.99$155.00 -
ZAF BBL/THRDLESS COMP P365XL BLK
Zaffiri Precision
MSRP: $337.49$270.00The Zaffiri Precision Threadless Compensator for Sig P365XL is an easy to install aftermarket add-on for flatter shooting. Zaffiri's solid 416R stainless steel match grade barrel and strong 17-4 threadless compensator allows for not only gas redirection...MSRP: $337.49$270.00 -
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 -
ZAF BBL P320C THREADED STAINLESS
Zaffiri Precision
MSRP: $239.39$171.00Zaffiri Precision match grade barrels for SigSauer P320C (Compact) Slides using a 3.9" barrel. Does NOT fit the P320 X-Carry. High quality performance you demand with an easy drop-in barrel upgrade. This replacement barrel is precision manufactured in...MSRP: $239.39$171.00 -
ZAF BBL FOR G43 THREADED BLACK
Zaffiri Precision
MSRP: $239.39$171.00Zaffiri Precision match grade barrels for Glock 43/ 43X. High quality performance you demand with an easy drop-in barrel upgrade. This replacement barrel is precision manufactured in the USA to the highest standards providing exceptional accuracy...MSRP: $239.39$171.00 -
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 BARREL USP-T 45ACP 5.09 THREADED
HK
MSRP: $335.96$250.00Spare barrel for USP45 Tactical or upgrade USP45 to accept threaded suppressors or other muzzle attachments. Drop in part for all USP .45 full size, USP 45 tactical pistols (EXCEPT USP45 EXPERT). WILL NOT FIT THE COMPACT MODELS OR THE NEWER HK45...MSRP: $335.96$250.00