Sinpure Black Aluminum AR-15 Charging Handle

Sinpure Stainless Steel 304 pig tail pistol length gas tube 6.75"

Sinpure Custom Stainless Steel rifle-length gas tube 15.25"

Sinpure Stainless Steel AR-15 Mid-length gas tube 11.75"

Custom Sinpure black anodizing AR-15 M4 0.75 inch gas block with gas tube

Sinpure Stainless Steel AR-15 carbine length gas tube 9.75"

Sinpure Stainless Steel AR-15 pistol length gas tube 6.75"

High Precision 1mm brass capillary tube for heat exchange

Customized High precision thin wall brass capillary tube

Sinpure Customized stainless steel 304 taper point needle

Custom Stainless Steel 304 pencil point needle

Custom length 14G stainless steel pencil point needle with sidehole

Sinpure customized stainless steel telescoping antenna with 3/8 24 thread

Sinpure custom stainless steel 304 lancet point needle for syringe use

Sinpure Customized brass capillary tube rivet for medical use

Sinpure Customized stainless steel 304 pencil point needle with flare end