Buy SI Online

"Innovative firearm accessories engineered for performance"

SI designs rugged, user-focused firearm components and optics. They make accessories like slide plates, charging handles, barrel clamps, red dots, and shotgun parts.

5.0★★★★★(82 verified SI reviews)
Shop All SI Products
7,545
Products
2,386
In Stock
-
Founded
USA
Origin

All SI Products (2,386)

Buy Sig Sauer P365 Outlander Yellow Laser Handgun 9mm Luger 10rd Magazines(2) 3.1 Black Barrel X-RAY 3 Sights Manual Safety online Sig Sauer P365 Outlander Yellow Laser Handgun 9mm Luger 10rd Magazines(2) 3.1 Black Barrel X-RAY 3 Sights Manual Safety Buy Sig Sauer P365 Tiger Striped XMACRO TACOPS Handgun 9mm Luger 17rd Magazines(4) 3.7 Barrel online Sig Sauer P365 Tiger Striped XMACRO TACOPS Handgun 9mm Luger 17rd Magazines(4) 3.7 Barrel Buy Sig Sauer P365 XMACRO TACOPS "Trump Fight" Handgun 9mm Luger 17rd Magazi... online Sig Sauer P365 XMACRO TACOPS "Trump Fight" Handgun 9mm Luger 17rd Magazi... Buy Sig Sauer P365 Two-Tone Brown/Black XMACRO TACOPS Handgun 9mm Luger 17rd Magazines(4) 4.2 Compensated Barrel online Sig Sauer P365 Two-Tone Brown/Black XMACRO TACOPS Handgun 9mm Luger 17rd Magazines(4) 4.2 Compensated Barrel Buy Sig Sauer P365 MuiltiCam XMACRO TACOPS Handgun 9mm Luger 17rd Magazines(4) 3.7 Barrel Black Grip online Sig Sauer P365 MuiltiCam XMACRO TACOPS Handgun 9mm Luger 17rd Magazines(4) 3.7 Barrel Black Grip Buy Sig Sauer 365-9-BXR3P MODLEP 9mm Leopard Print 10rd 3.1" X-RAY3 Sights online Sig Sauer 365-9-BXR3P MODLEP 9mm Leopard Print 10rd 3.1" X-RAY3 Sights Buy Strike Industries ARSLCHFDE Latchless Charging Handle AR-15 FDE Aluminum online Strike Industries ARSLCHFDE Latchless Charging Handle AR-15 FDE Aluminum Buy SITE-LITE SL-100 Laser Boresighter 18001 online SITE-LITE SL-100 Laser Boresighter 18001 Buy Limbsaver 90102 Protective Shooting Pad Black online Limbsaver 90102 Protective Shooting Pad Black Buy LimbSaver Kodiak Air Rifle Sling Black Mossy Oak Infinity 12195 online LimbSaver Kodiak Air Rifle Sling Black Mossy Oak Infinity 12195 Buy Limbsaver Pro Handgun Grip Full Size Black online Limbsaver Pro Handgun Grip Full Size Black Buy Limbsaver 10825 Recoil Pad Precision Fit Air Tech Ruger Amer Magnum online Limbsaver 10825 Recoil Pad Precision Fit Air Tech Ruger Amer Magnum Buy Limbsaver 10824 Recoil Pad AirTech Precision Fit Ruger American online Limbsaver 10824 Recoil Pad AirTech Precision Fit Ruger American Buy Limbsaver 10817 Recoil Pad AirTech Beretta 5" Wood/Synthetic online Limbsaver 10817 Recoil Pad AirTech Beretta 5" Wood/Synthetic Buy Sims Vibration Laboratories Airtech Recoil Pad for Browning Xbolt AB3 online Sims Vibration Laboratories Airtech Recoil Pad for Browning Xbolt AB3 Buy Limbsaver 10811 AirTech Recoil Pad Beretta 5-3/8" NAVCOM Tech online Limbsaver 10811 AirTech Recoil Pad Beretta 5-3/8" NAVCOM Tech Buy Limbsaver 10801 AirTech Recoil Pad Mossberg 500C/Marlin 308MX online Limbsaver 10801 AirTech Recoil Pad Mossberg 500C/Marlin 308MX Buy LimbSaver 10701 Precision Fit Recoil Pad for Beretta 5 3/8" Stock online LimbSaver 10701 Precision Fit Recoil Pad for Beretta 5 3/8" Stock Buy Limb Saver Nitro Grind-To-Fit Recoil Pad Md: 10539 online Limb Saver Nitro Grind-To-Fit Recoil Pad Md: 10539 Buy LimbSaver 10537 Nitro Grind-to-Fit Recoil Pad Small Black NAVCOM Material online LimbSaver 10537 Nitro Grind-to-Fit Recoil Pad Small Black NAVCOM Material Buy LimbSaver 10535 Trap Grind-to-Fit Recoil Pad Medium Black NAVCOM Material online LimbSaver 10535 Trap Grind-to-Fit Recoil Pad Medium Black NAVCOM Material Buy LimbSaver 10534 Trap Grind-to-Fit Recoil Pad Small Black NAVCOM Material online LimbSaver 10534 Trap Grind-to-Fit Recoil Pad Small Black NAVCOM Material Buy LimbSaver 10404 Recoil Pad Benelli M2 Tactical & SBE, NAVCOM Tech online LimbSaver 10404 Recoil Pad Benelli M2 Tactical & SBE, NAVCOM Tech Buy LimbSaver Precision Fit Recoil Pad for Benelli M1 Tactical SBE NAVCOM online LimbSaver Precision Fit Recoil Pad for Benelli M1 Tactical SBE NAVCOM Buy LimbSaver 10002 Precision Fit Recoil Pad for Browning A-Bolt Wood Stock online LimbSaver 10002 Precision Fit Recoil Pad for Browning A-Bolt Wood Stock Buy Limbsaver 10001 Recoil Pad, Ruger M77/Browning Gold, Black, NAVCOM Tech online Limbsaver 10001 Recoil Pad, Ruger M77/Browning Gold, Black, NAVCOM Tech Buy Sinclair International Montana Sling Leather 2-Point Brown 1-1/4 online Sinclair International Montana Sling Leather 2-Point Brown 1-1/4 Buy Sinclair International 125INCHBLACK Montana Sling 1-1/4" Black online Sinclair International 125INCHBLACK Montana Sling 1-1/4" Black Buy Sinclair 1" Montana Sling 1INBROWN Brown Leather Rifle Strap online Sinclair 1" Montana Sling 1INBROWN Brown Leather Rifle Strap Buy Sig Sauer 365-9-BXR3P-MS Leopard Print P365 9mm 3.1" Barrel 10rd 2 Mags online Sig Sauer 365-9-BXR3P-MS Leopard Print P365 9mm 3.1" Barrel 10rd 2 Mags Buy Sig Sauer 365-9-BXR3P-MS 9mm P365 10rd Chocolate Chip Hydro Dip Frame online Sig Sauer 365-9-BXR3P-MS 9mm P365 10rd Chocolate Chip Hydro Dip Frame Buy Sig Sauer P365 Gold Bug 9mm Luger 3.7 in Threaded Barrel 10rd Striker online Sig Sauer P365 Gold Bug 9mm Luger 3.7 in Threaded Barrel 10rd Striker Buy Sig Sauer 365-9-BXR3P 9mm P365 Gold Bug 10rd 3.1" Grey Slide Brown Grip online Sig Sauer 365-9-BXR3P 9mm P365 Gold Bug 10rd 3.1" Grey Slide Brown Grip Buy Sig Sauer P320V004 9mm Handgun, 4.6" Barrel, 21rd, Woodland Camo, SC81 online Sig Sauer P320V004 9mm Handgun, 4.6" Barrel, 21rd, Woodland Camo, SC81 Buy Sig Sauer 365-9-BXR3P-MS 9mm P365 Pink Filigree 3.1" 10rd X-RAY Sights online Sig Sauer 365-9-BXR3P-MS 9mm P365 Pink Filigree 3.1" 10rd X-RAY Sights Buy Sig Sauer 365-380-BSS-MS .380 Handgun, 3.1" Barrel, 10rd, Night Sights online Sig Sauer 365-380-BSS-MS .380 Handgun, 3.1" Barrel, 10rd, Night Sights Buy Sig Sauer P365 365-9-BXR3P 9mm Handgun, 10rd, 3.1" Barrel, Night Sights online Sig Sauer P365 365-9-BXR3P 9mm Handgun, 10rd, 3.1" Barrel, Night Sights Buy Sig Sauer 365-9-BXR3P 9mm P365 3.1" Barrel 10rd X-RAY3 Sights online Sig Sauer 365-9-BXR3P 9mm P365 3.1" Barrel 10rd X-RAY3 Sights Buy Sig Sauer 365-9-BXR3P 9mm P365 Optic Ready 10rd X-RAY3 Sights 3.1" Barrel online Sig Sauer 365-9-BXR3P 9mm P365 Optic Ready 10rd X-RAY3 Sights 3.1" Barrel Buy Sig Sauer 365-9-BXR3P 9mm P365 Optic Ready Handgun, 3.1" Barrel, 10rd Mag online Sig Sauer 365-9-BXR3P 9mm P365 Optic Ready Handgun, 3.1" Barrel, 10rd Mag Buy Sig Sauer 365-9-BXR3P-MS Mongoose Purple 9mm 10rd 3.1" X-RAY3 Sights online Sig Sauer 365-9-BXR3P-MS Mongoose Purple 9mm 10rd 3.1" X-RAY3 Sights Buy Sig Sauer P365-380 Rose Gold .380 Auto 3.1" 10-Rounds online Sig Sauer P365-380 Rose Gold .380 Auto 3.1" 10-Rounds Buy Sig Sauer P365-380 380 Auto 3.1" 10-Rounds online Sig Sauer P365-380 380 Auto 3.1" 10-Rounds Buy Sierra A455008 GameChanger 7mm Remington Magnum 150gr 20 Rounds Brass online Sierra A455008 GameChanger 7mm Remington Magnum 150gr 20 Rounds Brass Buy Sierra A466906 GameChanger 30-06 Springfield 165 gr Tipped GameKing 20 Rds online Sierra A466906 GameChanger 30-06 Springfield 165 gr Tipped GameKing 20 Rds Buy Sierra A444003 GameChanger .270 Win 140 gr Tipped GameKing 20 Rounds online Sierra A444003 GameChanger .270 Win 140 gr Tipped GameKing 20 Rounds Buy Sierra GameChanger 6.5 Creedmoor 130 Grain Brass Cased Ammo 20 Rounds online Sierra GameChanger 6.5 Creedmoor 130 Grain Brass Cased Ammo 20 Rounds Buy Sierra A410302 GameChanger 243 Win 90 gr 3200 fps Tipped GameKing 20 Bx/10 Cs online Sierra A410302 GameChanger 243 Win 90 gr 3200 fps Tipped GameKing 20 Bx/10 Cs

About SI

SI focuses on practical, performance-driven firearm accessories for a wide range of pistols, rifles, and shotguns. Their lineup includes slide adapter plates, latchless charging handles, barrel clamps, compact red dot optics, and dedicated shotgun components, built primarily from aluminum and hardened materials. Products are engineered with attention to fit, function, and ease of installation, aimed at shooters who want reliable upgrades without unnecessary complexity. SI supports competitive, tactical, and recreational shooters by offering parts that address common user needs and enhance firearm ergonomics and capability.

Headquarters

Established

-

Country of Origin

USA

History & Heritage

SI began as an American aftermarket parts maker aimed at providing functional, affordable upgrades and accessories for shooters. Over time the brand expanded its offerings across pistol, rifle, and shotgun platforms, becoming known for practical designs and broad compatibility.

Notable Products

Popular items include charging handles, slide adapter plates, red dot sights, barrel clamps, and shotgun conversion components.

Why Choose SI?

Choose SI for straightforward, well-engineered accessories that improve usability and durability without unnecessary complexity.

Ready to Shop SI?

Choose SI for straightforward, well-engineered accessories that improve usability and durability without unnecessary complexity....

Browse All Products
Your Data is Protected
256-bit SSL Encryption PCI Compliant Checkout Secure Payment Processing