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 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$256.00With 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$256.00 -
SIG P365 SLIDE COMPLETION KIT
Sig Sauer
MSRP: $117.53$84.00All 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$84.00 -
SIG P320F PROCUT 9MM 4.7 OR SH BLK
Sig Sauer
MSRP: $474.38$380.00Factory replacement PRO-CUT Slide Assembly for the P320 X-Compact through X-full size pistols.MANUFACTURER: Sig SauerMPN: 8900950MODEL: Slide AssemblyColor: BlackMSRP: $474.38$380.00 -
SIG P320 PRO SLIDE 9MM 3.9 OR BLK
Sig Sauer
MSRP: $347.88$279.00This factory replacement, optic ready, Steel slide assembly is cut for the Romeo1Pro and covered by a removable sight plate.MANUFACTURER: Sig SauerMPN: 8900141MODEL: Slide AssemblyColor: BlackMSRP: $347.88$279.00 -
SIG P320 FLAT TRIGGER SKELETONIZED
Sig Sauer
MSRP: $93.38$67.00High quality components and precise manufacturing make Sig Sauer parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.MANUFACTURER: Sig...MSRP: $93.38$67.00 -
SIG P365 FLAT TRIGGER
Sig Sauer
MSRP: $57.96$42.00High quality components and precise manufacturing make Sig Sauer parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.MANUFACTURER: Sig...MSRP: $57.96$42.00 -
SIG P320 FLAT TRIGGER
Sig Sauer
MSRP: $57.96$42.00High quality components and precise manufacturing make Sig Sauer parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.MANUFACTURER: Sig...MSRP: $57.96$42.00 -
SIG SHORT TRIG REST KIT P226/P227
Sig Sauer
MSRP: $57.96$42.00High quality components and precise manufacturing make Sig Sauer parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.MANUFACTURER: Sig...MSRP: $57.96$42.00 -
SHIELD ARMS MAGWELL FOR G43X/48 BLK
Shield Arms
MSRP: $94.50$68.00Speed up your reloads with the Shield Arms Carry Magwell for the Glock 43X/48.MANUFACTURER: Shield ArmsMPN: G43X48-MAGWELL-BLKMODEL: MagwellType: MagwellColor: BlackMSRP: $94.50$68.00 -
SHIELD MAG CATCH FOR GLK 43X/48 BLK
Shield Arms
MSRP: $17.82$11.00Shield Arm's steel mag catch is optimized to work with the Shield Arms S15 magazine. While it remains compatible with plastic OEM magazines, it can cause increased wear on plastic mags with prolonged use, and OEM mags may not drop free. Shield Arm's does...MSRP: $17.82$11.00