Buffer Part Kits
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AT3™
AT3™ Carbine Buffer Spring for AR-15
Carbine Buffer Spring for 6-Position Adjustable Buffer Tubes This spring will fit in any carbine-length buffer tube to complete your AR15 buffer system. This piece is ideal for repairing a... -
AT3™
AT3™ Mil Spec Buffer Tube Kit For AR-15 – 10 Colors Available
The perfect kit for your next build - at a price that can't be beat. This Mil-Spec AR-15 Buffer Tube Kit includes the buffer tube, castle nut, lock plate, 3oz...10 Options -
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UTG Pro AR-15 Pistol Buffer Tube Kit – Buffer, Springs, and More
AR-15 Pistol Buffer Tube Kit The UTG AR-15 Pistol Buffer Tube Kit comes with everything you need to complete the recoil system of your AR pistol. While this kit doesn't... -
UTG Pro Six Position Mil-spec AR 15 Buffer Tube Kit
Complete UTG Buffer Assembly - Add Your Own Stock This receiver extension kit from UTG comes with a buffer tube, buffer spring, 3.0 oz carbine buffer, castle nut, and endplate. ...2 Options -
Aero Precision Enhanced AR-15 Carbine Buffer Kit
Enhanced Buffer Tube Kit for Easy Assembly and More Aero Precision's enhanced buffer tube offers numerous upgrades over standard mil-spec style kits. For starters, the buffer tube makes assembling to... -
Armaspec Buffer Weights for Stealth Recoil Spring
Modify your Stealth Recoil Spring with a Modular Weight Already invested in a Stealth Recoil Spring, but don't want to get a whole new assembly just to tune your AR just right? The...4 Options -
Aero Precision Enhanced AR-10 Carbine Buffer Kit
AR-10 Enhanced Mil-Spec Buffer Tube Kit This enhanced buffer kit for AR-10 style rifles offer some great features over a standard carbine buffer kit. The enhanced buffer tube keeps things... -
Fortis Standard AR-15 Castle Nut
Lightweight Aluminum Castle Nut Only a third of the weight of a mil-spec steel castle nut, the Fortis Standard Castle nut offers a simple way to trim fat from your... -
LBE Unlimited Buffer Tube for AR-15 – MILBUFKT
LBE Complete AR-15 Mil-Spec Buffer Tube Kit The LBE Unlimited Mil-Spec Buffer Tube Kit for the AR15 comes with a buffer tube, castle nut, lock plate, recoil buffer and recoil...4 Options -
Luth-AR .223/5.56 AR-15 Mil-Spec Rifle Fixed Buffer Tube Kit
Luth-AR Fixed Rifle Buffer Tube Kit The Luth-AR Fixed Rifle Buffer Tube Kit includes an A1/A2 length buffer tube, buffer, and buffer spring. This long recoil assembly helps to mitigate... -
KE Arms Carbine AR 15 Buffer Tube Kit – 3.0 oz Buffer Kit for...
American Made Buffer Tube Kit for 5.56 AR-15 For the best performance from your AR-15, quality components will take you a long way. This US made buffer kit from KE... -
Luth-AR .308 Mil-Spec Carbine Buffer Tube Kit
High Quality Mil-Spec Carbine Buffer Tube Kit for AR-10/.308 Rifles If you're planning to build or upgrade your AR-308, it's critical to choose the right buffer tube kit. This buffer... -
Geissele AR-15 Super 42 Tungsten Buffer Weight
Increases Your Buffer Weight By One Weight Category The Geissele AR-15 Super 42 Tungsten Buffer Weight is a great tool to allow your Geissele Super 42 H1 weighted buffer to... -
CMMG Enhanced Pistol Buffer Tube Kit with Ambidextrous Sling End Plate
Combine this kit with your choice of lower parts kit to complete your pistol lower group. Includes: CMMG Pistol Receiver Extension Carbine Buffer Assembly Carbine Action Spring -
BCM Stock Hardware Mount Kit – Buffer, Tube, Spring, & More for AR 15
Stock Hardware Mount Kit This kit contains all the necessary parts to mount your Mil-Spec dimension stock assembly to your lower receiver. Receiver Extension - Mil-Spec, 6 position (machined from... -
Luth-AR Mil-Spec 9mm Buffer Tube Assembly for AR-15
Luth-AR 9mm Buffer Tube Kit This 9mm buffer tube kit from Luth-AR includes a heavy 5.45 oz. buffer, spring, mil-spec tube, plus castle nut and end plate. This assembly threads... -
Armaspec A1/A2 Buffer Adapter for Stealth Recoil Spring
A Simple Drop-In Solution for using the Stealth Recoil Spring in a Fixed Stock If you have a fixed stock and rifle-length buffer assembly, you're probably short on options for... -
VLTOR A5 Receiver Extension Kit with A5 Buffer and Spring for AR-15
VLTOR A5 Spring and Buffer Kit VLTOR's patented A5 system reduces felt recoil and bolt velocity with a proprietary buffer and specialized spring. The A5 system functions more like the... -
Armaspec Replacement O-Rings for Stealth Recoil Spring on your AR 15 – 3 Pack
Keep your Stealth Recoil Spring in Check with Replacement O-Rings The Armaspec Stealth Recoil Spring uses a rubber O-Ring to reduce metal-on-metal contact with the buffer weight and the rear face of... -
AT3™
AT3 AR 15 Lower Build Kit – Magpul Stock and Grip, AT3 Lower Parts...
Finish Off Your New Rifle Lower with an Enhanced Trigger and Matching Magpul Furniture Your AR lower has some of the most critical parts you don't want to skimp on...4 Options -
3 Pack of 1/4 Inch Spacers for Stealth Recoil Spring for AR 15
Spacers for Fitting the Stealth Recoil Spring in Non-Standard Builds For builds with long, non-standard buffer tubes, these spacers can be useful for ensuring your Stealth Recoil Spring will function... -
Phase 5 Weapon Systems AR-15 Pistol Buffer Tube Assembly
The Perfect Buffer Tube Assembly For Your Pistol Caliber Rifle The Phase 5 Weapon Systems AR-15 Pistol Buffer Tube Assembly has everything you need to get the backend of your... -
KE Arms 9mm Buffer Tube Kit – 5.5 oz Buffer Kit for Pistol Caliber...
Heavy 9mm Buffer Tube Kit for Pistol Caliber AR-15 When you're building a 9mm AR-15, it's best to go with components that will work well together in concert. For most...Only$44.96 -
BCM MK2 Recoil Mitigation System Mod1 for AR-15
Recoil Reducing AR-15 Buffer Kit Bravo Company's MK2 Recoil Mitigation System effectively reduces recoil with a few changes to key components. This kit uses a longer, 8 position buffer tube,...3 Options3 Optionsfrom $109.953 Options
Other AR 15 Buffer Tube Parts (Receiver Extension):
Buffer Part Kits
Buffer Tubes
Buffers
Other Parts
Recoil Springs
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