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...

JP AR-10 Silent Captured Spring Standard Version GEN 2 GEN 2 Silent Captured Spring for AR-10-type rifles H2 Buffer Version Includes spacer to allow for installation in both carbine- and rifle-length buffer tubes. Recommended Use: Short-barreled...

CMMG, Gas Block Kit, .936" ID, Low Profile, Black 4140 Chrome Moly Steel Low Profile Includes Installation Screws .936" Low profile gas block. Includes installation screws.

Superlative Arms .625" Adjustable Gas Block, Bleed Off - Solid, Stainless Steel, Matte Take control of your AR-15’s performance with the Superlative Arms .625" Adjustable Gas Block—engineered with a patented “Bleed Off” system...

Kinetic Development Group, LLC, ARP5, Semi-automatic, Stripped Lower, 223 Rem/556NATO, Black Type 3 Hardcoat Anodized, Flared Machined Magwell, HK Style Safety Selector Markings

Noveske is proud to manufacture premium barrels for all types of builds. This barrel ships with gas block. This barrel is designed for the Noveske gas block that is 1" long (INCLUDED). A standard front sight base is 1.9" long and WILL NOT FIT. Barrel...

Aero's Special Edition: Liberty M4E1 Stripped Lower Receiver features a custom patriotic liberty shield emblem engraved on the magazine well of our popular M4E1 Lower Receiver. Markings Include Model "LBRTYM4" and "LTYM4-XXXXX" serial number range. Like...

Aero's Special Edition: Liberty M4E1 Stripped Lower Receiver features a custom patriotic liberty shield emblem engraved on the magazine well of our popular M4E1 Lower Receiver. Markings Include Model "LBRTYM4" and "LTYM4-XXXXX" serial number range. Like...

The AR15 Stripped Upper Receiver is one of our most popular products. Forged from 7075-T6 aluminum, this stripped upper is precision machined to mil-spec M16/M4 specifications and features M4 feedramps. Match this upper with one of our AR15 lower...

Our AR15 Pistol Marked Stripped Lower Receiver is the perfect base for your custom AR15 pistol build. Machined to mil-spec dimensions, our lowers work with standard AR15 components and ensure the highest quality with a correct component interface. The...

The Trijicon ACOG (Advanced Combat Optical Gunsight) is a fixed power, compact riflescope with an illuminated reticle pattern for use in bright to low/no light. The ACOG is designed to be extremely durable and reliable. Combining traditional, precise...

Start your new build with a Luth-AR .223/5.56 A3 Flattop Upper Receiver comes fully assembled with an M4-type feed ramp, 12 position Picatinny accessory rail for mounting scopes or flip-up sights. Shell deflector, forward assist, and ejection port cover...