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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STRIKE MAGWELL FOR GLOCK GEN 3
Strike Industries
MSRP: $27.97$17.00Introducing the Strike Industries Gen. 3 Magwell for GLOCK 17! SI's Gen 3 Magwell was designed to provide easier reloading of the magazine while adding a stylish look. Compatible with most aftermarket magazine base plates and extensions. (Also compatible...MSRP: $27.97$17.00 -
STRIKE MOD MAG RLS SIG SAUER P320
Strike Industries
MSRP: $32.92$20.00The Modular Magazine release for the Sig Sauer P320 allows users to attach different-sized extensions to the magazine release for improved reach and ergonomics. The benefit of the MMR over other extended magazine releases is the ability to quickly swap...MSRP: $32.92$20.00 -
SPRGFLD XD SLIDE ASSY 9MM 4 W/ CT
Springfield
MSRP: $411.13$329.00Upgrade your full-size XD handgun with the new XD OSP (Optical Sight Pistol) Slide Assembly and Kit options. Springfield 4" 9mm kits and assemblies provide original XD owners OSP capabilities as well as the ability to convert certain XD models to a...MSRP: $411.13$329.00 -
SPRGFLD XD SLIDE 9MM 4 CMPLT ASSEM
Springfield
MSRP: $441.31$354.00Upgrade your full-size XD handgun with the new XD OSP (Optical Sight Pistol) Slide Assembly and Kit options. Springfield 4" 9mm kits and assemblies provide original XD owners OSP capabilities as well as the ability to convert certain XD models to a...MSRP: $441.31$354.00 -
SPRGFLD XD SLIDE ASSY 9MM 4 W/ OSPP
Springfield
MSRP: $300.44$241.00Upgrade your full-size XD handgun with the new XD OSP (Optical Sight Pistol) Slide Assembly and Kit options. Springfield 4" 9mm kits and assemblies provide original XD owners OSP capabilities as well as the ability to convert certain XD models to a...MSRP: $300.44$241.00 -
S&W M&P9 M2.0 SHIELD OR SLIDE BLK
Smith & Wesson
MSRP: $319.84$245.00With the rise in popularity of pistol mounted red dots, these Smith & Wesson drop in optic ready slides will turn the widely popular M&P Shield into your new favorite pistol. Featuring and Armornite finish with the classic white 3-dot iron sites, these...MSRP: $319.84$245.00 -
SIG P320 X-SERIES 9MM 4.7 OR SH BLK
Sig Sauer
MSRP: $368.71$295.00Factory replacement Slide Assembly for the P320 X-COMPACT through X-FULL size pistols.MANUFACTURER: Sig SauerMPN: 8900959MODEL: P320 X-Series Slide AssemblyColor: BlackMSRP: $368.71$295.00 -
SIG P320 X-SERIES 9MM 3.6 OR SH BLK
Sig Sauer
MSRP: $368.71$278.00Factory replacement Slide Assembly for the P320 Sub-Compact/XCOMPACT size pistols.MANUFACTURER: Sig SauerMPN: 8900957MODEL: P320 X-Series Slide AssemblyColor: BlackMSRP: $368.71$278.00 -
SIG P365 SLIDE COMPLETION KIT
Sig Sauer
MSRP: $117.53$75.00All the factory replacement corrosion-resistant parts to complete any P365, P365X, or P365XL slide, minus barrel, sights, and recoil assembly.MANUFACTURER: Sig SauerMPN: 8900980MODEL: Completion KitColor: BlackMSRP: $117.53$75.00 -
SIG P320 SLIDE COMPLETION KIT
Sig Sauer
MSRP: $117.53$75.00All the factory replacement corrosion-resistant parts to complete your P320 slide, minus barrel, sights, and recoil assembly.MANUFACTURER: Sig SauerMPN: 8900979MODEL: Completion KitColor: BlackMSRP: $117.53$75.00 -
SIG P320F PROCUT 9MM 4.7 OR SH COY
Sig Sauer
MSRP: $474.38$380.00Factory replacement PRO-CUT Slide Assembly for the P320 Sub-Compact/XCOMPACT size pistols.MANUFACTURER: Sig SauerMPN: 8900953MODEL: Slide AssemblyColor: CoyoteMSRP: $474.38$380.00 -
SIG P320SC PROCUT 9MM 3.9 OR SH COY
Sig Sauer
MSRP: $474.38$380.00Factory replacement PRO-CUT Slide Assembly for the P320 Sub-Compact/XCOMPACT size pistols.MANUFACTURER: Sig SauerMPN: 8900952MODEL: Slide AssemblyColor: CoyoteMSRP: $474.38$380.00