Buffer System

Call us old fashioned, we like our castle nut staked to prevent it from rotating loose on the receiver extension and causing malfunctions.  Army manual calls for the castle nut to be torqued to 38 to 42ft/lb, and staked in two places.  While...

Custom Centerless Ground and Polished Operating SpringLarge-Frame Carbine LengthPrecision centerless ground and polished operating springs offer a smoother and quieter operation in AR buffer tubes. Improved impulse feel results in faster sight recovery...

Whether your upgrade your existing AR-15 or starting a new firearm, the Loyal 9 A5 receiver extension will fit the bill and then some! With a 9 position design, the Loyal 9 A5 receiver extension will provide the user with the correct fit for them. Sons...

  V Seven 2055 Ultra-Light Premium Buffer Kit - Carbine ULTRA-LIGHT PREMIUM BUFFER KIT includes the following V SEVEN components: 7068 aluminum lightweight castle nut Ultra-light quick detach endplate Titanium buffer retainer with...

  The Stealth Recoil Spring™ SRS ™ is a self-contained multi-stage drop-in replacement for your standard buffer and spring. The Stealth Recoil Spring ™ is designed to reduce felt recoil as well as keep the buffer spring from...

  Dark Hour Defense Carbine Buffer Tube 11 Position  Constructed from 7075 T6 Aluminum11 position carbine lower extension buffer tubeType 3 mil-spec hard coat anodizingMil-spec diameterWeighs 3.7 ouncesFeatures a detent lock to prevent tube...

Armaspec AR-15 Stealth Recoil Spring GEN 4 (H3) 5.6oz Features & Specs: Armaspec Item Number: ARM253-H3 Stealth Recoil Spring (SRS) for AR-15 Carbine Length Equivalent Weight: 5.6 oz (H3) Actual Weight: 8.0 oz Length: 7.18" Drop-in...

  The Stealth Recoil Spring™ SRS ™ is a self-contained multi-stage drop-in replacement for your standard buffer and spring. The Stealth Recoil Spring ™ is designed to reduce felt recoil as well as keep the buffer spring from...

High quality components and precise manufacturing make Lantac 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.

The TRIARC Systems TRACK 2.0 Rifle Barrel Kit features a 13.9" TRACK 2.0 Barrel that is optimized for the TRIARC Systems A5/Extended Receiver Extension, VLTOR A5 H1 Buffer and Sprinco Green Buffer Spring. Also included is a Mil-Spec End Plate and Castle...

Armaspec Stealth Spring H-H2-H3 KIT Features & Specs:   Armaspec Item Number: ARM253-H Stealth Recoil Spring (SRS) for AR-15 Carbine Length Keeps the Spring from Rubbing Against Inner Wall of the Buffer Tube Buffer Mass is Designed to...

  Armaspec Sound Mitigation Buffer ™- SMB ™ GEN2 SMB-C 3.3oz The New Gen2 Sound Mitigation Buffer™ SMB ™ is a single-stage drop-in replacement for your standard buffer and spring. The Sound Mitigation Buffer ™ is...