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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SIG P320SC PROCUT 9MM 3.6 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: 8900951MODEL: Slide AssemblyColor: CoyoteMSRP: $474.38$380.00 -
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 P320SC PROCUT 9MM 3.6 OR SH BLK
Sig Sauer
MSRP: $474.38$380.00Factory replacement PRO-CUT Slide Assembly for the P320 Sub-Compact/XCOMPACT size pistols.MANUFACTURER: Sig SauerMPN: 8900948MODEL: 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$60.00High 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$60.00 -
SIG P365 FLAT TRIGGER
Sig Sauer
MSRP: $57.96$37.00High 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$37.00 -
SIG P320 FLAT TRIGGER
Sig Sauer
MSRP: $57.96$37.00High 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$37.00 -
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 -
SHIELD ARMS MAGWELL FOR G17/22/45 BK
Shield Arms
MSRP: $126.00$90.00Speed up your reloads with the Shield Arms magwell for the Glock 17/22/45! Shield Arms slim-profile aluminum magwell for the Glock 17/22/45 is designed for smoother, faster reloads, and maximum concealability.MANUFACTURER: Shield ArmsMPN:...MSRP: $126.00$90.00 -
SHLD PREM MAG CTCH FOR GLK43X RH PEA
Shield Arms
MSRP: $46.61$34.00The Premium S15 Steel Mag Catch for the Glock 43X/48 has been optimized for left or right-handed use specifically and is NOT ambidextrous. Because the catch is not ambidextrous, Shield Arms were able to eliminate hard angles on the bottom of the catch...MSRP: $46.61$34.00 -
SHIELD ARMS PREM MAGWELL FOR G43X/48
Shield Arms
MSRP: $100.80$72.00Speed up your reloads with the Shield Arms magwell for the Glock 43X/48. Made from billet aluminum and type 2 hard coat anodized, Shield Arm's magwell will provide you with a durable platform to speed up your reloads and keep you on target.MANUFACTURER:...MSRP: $100.80$72.00