Aero Precision Gun Parts

(1,054 deals total)

Aero Precision APAR501101C: The Aero Gen 2 stripped lower receiver is the perfect base for your custom AR-15 build. Machined to mil-spec dimensions, Aero lowers work with standard AR-15 components and ensure the highest quality with a correct component interface. The Gen 2 has improvements such as nylon tension screws that allow for a tighter fir between the upper and the lower. The Magwell size has also been increased for easier insertion of magazines and a sleeker look. The lower is machined from 7075-T6 forged aluminum and has a black anodized finish. KEY SPECS MANUFACTURER

Aero Precision APBR01010001: A Solus barreled action is the perfect solution for a user looking for the custom build experience without having to worry about installing and head spacing their barrel.

Aero Precision APAR501203C: Aero Precision's AR15 Stripped Lower Receiver is the perfect base for your custom AR15 build. Machined to mil-spec dimensions, Aero's lowers work with standard AR15 components and ensure the highest quality with a correct component interface.INCLUDES:Stripped AR15 Gen 2 Lower Receiver in OD Green AnodizedNylon tipped tensioning screwBillet Trigger Guard - OD Green Anodized UPC#: 840014622023

This Aero Precision M4E1 Threaded AR-15 upper receiver group comes completely assembled with 16” 5.56 barrel and the ATLAS R-ONE M-LOK handguard. This barreled upper receiver group does not include BCG or charging handle allowing you to choose your favorites for your build. The upper receiver is, however, fully assembled with forward assist and dust cover. The M4E1 threaded upper is made from forged 7075-T6 aluminum with a billet machined look that matches the lower and handguard.

Aero Precision complete mil-spec AR-15 upper receiver. Fully assembled, includes M4 feed ramps, installed dust cover, forward assist, and laser engraved T- marks on the top rail. Ready to add a barrel and handguard out of the box, this US made upper receiver requires no additional assembly and is competitively priced. Features: - M4 feedramp already installed - Standard .250 takedown pin holes - Laser engraved T-marks - Dust cover and forward assist already installed Includes: - Fully assembled anodized black AR-15 upper receiver About Aero Precision

LNG-AERO-APAR308022 Aero Precision APAR308022: The M5 Complete Lower Receiver is the perfect base for your custom big-bore AR build. This complete lower features Aero Precision's custom-designed M5 Lower Receiver and is upgraded to include a MOE SL® Grip and MOE SL® Carbine Stock. Includes: M5 Stripped Lower Receiver - Anodized Black MOE PRS Stock - Black MOE Grip - Black Lower Parts Kit Carbine Receiver Extension M5 Carbine Buffer and Spring These parts are installed

Aero Precision APAR308291: Aero Precision's M5 .308 Complete Lower Receiver is the perfect base for your custom big-bore AR rifle. FEATURES: Works with standard AR 308 components and magazines Rear takedown pin detent hole is threaded for a 4-40 set screw Bolt catch is threaded for a screw pin (no roll pin needed) Integrated trigger guard Selector markings will work with 45, 60 or 90 degree safety selectors Accepts Battle Arms Development short throw safety selectors, but will work with any standard selector No gap with aftermarket pistol grips INCLUDES:

Aero Precision APAR700304M68: This complete upper includes Aero Precision's ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. Aero Precision's proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards.

The Aero Precision AR15 Complete Lower Receiver with MOE Grip & SL-S Carbine Stock is a fully assembled lower receiver designed to provide a solid foundation for AR-15 builds. This complete lower receiver includes a high-quality lower receiver, an MOE grip, and an SL-S carbine stock, offering convenience and reliability. The lower receiver is precision-machined from 7075-T6 aluminum, ensuring exceptional strength and durability. It features mil-spec dimensions, allowing for seamless compatibility with other AR-15 components.

Aero Precision APRH101767C: The Aero Precision PRO 5.56 Bolt Carrier Group is built from the ground up to meet the demands of the most extreme conditions. Each component and manufacturing process of the PRO 5.56 Bolt Carrier Group was deliberately chosen to increase the reliable service life of the bolt carrier group and its components.BoltThe bolt is one of the most important parts of the bolt carrier group. Machined from 9310 steel, a proprietary flash nitride process was chosen to ensure proper heat treatment on the bolt.

Aero Precision APAR308220: The M5 Complete Lower Receiver is the perfect base for your custom big-bore AR build. This complete lower features Aero Precision's custom designed M5 Lower Receiver and is upgraded to include a MOE Grip and UBR Gen2 Collapsible Stock.Includes:M5 Stripped Lower ReceiverMOE Grip - BlackUBR Gen2 Collabsible Stock - BlackLower Parts KitIntegrated UBR Custom Receiver Extension TubeM5 Carbine Buffer and SpringThese parts are installedAero Precision's M5 Lower Receiver sets the standard for big-bore AR builds.

Aero Precision APAR308221: The M5 Complete Lower Receiver is the perfect base for your custom big-bore AR build. This complete lower features our custom designed M5 Lower Receiver and is upgraded to include a MOE® Grip and MOE® Fixed Rifle Stock.Includes:M5 Stripped Lower ReceiverMOE® GripMOE® Fixed Rifle StockLower Parts KitRifle Receiver ExtensionM5 Rifle Buffer and SpringThese parts are installedOur M5 Lower Receiver sets the standard for big-bore AR builds. This custom designed enhanced forging is machined from 7075-T6 Aluminum and works with standard AR308 components and magazines.

Aero Precision APAR600189: The Aero Precision M4E1 Complete Lower Receiver with Magpul PRS Lite Stock is the perfect upgrade for your AR build. This complete lower features an M4E1 Lower and is upgraded to include an Magpul PRS Lite Stock. The PRS Lite provides much of the same adjustability and many features of our PRS GEN3 Precision-Adjustable Stock, with the added benefits of reduced weight.Includes:M4E1 Lower ReceiverMagpul MOE GripMagpul PRS Lite StockLower Parts KitCarbine Receiver ExtensionAR15 Carbine Buffer and SpringThese parts are installed UPC#: 840014617296

Aero Precision APAR501200: The Aero Precision AR15 Complete Lower Receiver with Magpul PRS Lite Stock is the perfect upgrade for your AR build. This complete lower features an AR15 Gen 2 Lower and is upgraded to include an Magpul PRS Lite Stock. The PRS Lite provides much of the same adjustability and many features of Magpul's PRS GEN3 Precision-Adjustable Stock, with the added benefits of reduced weight. INCLUDES: AR15 Gen 2 Lower Receiver Magpul MOE Grip Magpul PRS Lite Stock Lower Parts Kit Carbine Receiver Extension AR15 Carbine Buffer and Spring These parts are installed

Please check out all our other DEALS: ARM OR ALLY GUN DEALS click the link above. Site Wide Aero Precision Sale! All parts, uppers, rifles, complete lowers, kits, etc... are on sale and ready to ship out right away.

This complete upper includes our Slimline Handguard. The slimline line of handguards have a unqiue milling profile, designed to maximize grip ergonimics and minimize weight while still providing plenty of real-estate to accommodate any attachment needs the end user may have. Our proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards.

This complete upper includes our Slimline Handguard. The slimline line of handguards have a unqiue milling profile, designed to maximize grip ergonimics and minimize weight while still providing plenty of real-estate to accommodate any attachment needs the end user may have. Our proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards.

This complete upper includes our Slimline Handguard. The slimline line of handguards have a unqiue milling profile, designed to maximize grip ergonimics and minimize weight while still providing plenty of real-estate to accommodate any attachment needs the end user may have. Our proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards.

Want to see ALL of our Gun.Deals Exclusive Prices? CLICK HERE TO CHECK OUT ALL THESE DEALS SPECIFICATIONS: Classification: Rifle Buffer Tube Kit: Omega Mfg. Buffer Tube Kit Stock: Gauntlet Arms Tactical Sopmod Black Mil-Spec Buttstock Receiver: Aero Precision LR-308 M5 LPK: Recoil Technologies LR-308 Mil-Spec Quality Lower Parts Kit (LPK) Looking for a Coupon Code?! Use the Current Month and Year (ie: august2023) at checkout to save on your next order

The Aero Precision M4E1 Enhanced AR-15 Stripped Upper is a one-piece forging that combines the handguard mounting hardware with the upper receiver. This design allows for additional lightening cuts, resulting in increased weight savings and improved cooling efficiency. The upper is made from a 7075-T6 aluminum forging machined to MIL-SPEC and finished with a durable hardcoat anodized finish. It is compatible with all MIL-SPEC AR-15/M16 components and removes the forward assist for further weight savings. Note: This upper receiver is not compatible with piston kits. Features:

Want to see ALL of our Gun.Deals Exclusive Prices? CLICK HERE TO CHECK OUT ALL THESE DEALS SPECIFICATIONS Classification: Rifle Buffer Tube Kit: Omega Mfg. Buffer Tube Kit Stock: Adaptive Tactical AR-15 EX Performance Adjustable Stock Receiver: Aero Precision X15 Serialized AR15 Stripped Lower Receiver - Gen 2 Anodized (C) LPK: Recoil Technologies Mil-Spec Lower Parts Kit

Weight 1.6 oz Finish Nitride / Melonite Gas Block Journal 0.75 Adjustable No MPN APRH101205C UPC aprh101205c SKU: 4422

The Aero Precision AR15 ATLAS S-ONE M-LOK Handguard is a reliable mounting platform to host your favorite accessories and optics. Aero Precision machined these AR Handguards & Forends from 6061-T6 aluminum for optimal durability, and these handguards feature only front and rear Picatinny rails for weight reduction. This Aero Precision AR15 ATLAS S-ONE M-LOK Lightweight Handguard also features QD sling sockets at the 3, 6 and 9 o'clock positions for seamless sling attachment. These are compatible with Mil-Spec AR15 uppers and barrels, and they are also compatible with low profile gas blocks.

Introducing our Cerulean Cloak Builder Set - a striking addition to your firearm collection! Crafted with meticulous attention to detail by West Michigan Cerakote, the contrasting blend of azure shades makes this set a true standout. Whether you're a seasoned shooter or just starting out, this set is sure to impress.

Introducing our Cerulean Cloak Builder Set - a striking addition to your firearm collection! Crafted with meticulous attention to detail by West Michigan Cerakote, the contrasting blend of blue shades makes this set a true standout. Whether you're a seasoned shooter or just starting out, this set is sure to impress.

Our 10.5" 5.56 barrel is the perfect addition to your AR15 build. Crafted to mil- spec standards from 4150 Chrome Moly Vanadium with a QPQ corrosion resistant finish, this barrel provides time tested precision and accuracy for your AR15 carbine length build. This barrel is HP and MPI tested. Caliber 5.56 NATO Barrel Length 10.5 Barrel Material 4150 Chrome Moly Vanadium Barrel Finish QPQ Corrosion Resistant Gas System Length Carbine Gas Block Journal .750" Gas Port Size 0.0785 Barrel Rifling Button Rifling Twist Rate 1:7 inches Thread Pitch 1/2-28 Threaded Barrel Extension M4

Our 5.56 Barrel is the perfect addition to your AR15 build. Crafted to mil- spec standards from 4150 Chrome Moly Vanadium with a QPQ corrosion resistant finish, this barrel provides time tested precision and accuracy for your AR15 build. This barrel is HP and MPI tested. Specifications for Aero Precision 5.56 CMV Barrel: Color: Black Fabric/Material: 4150 Chrome Moly Vanadium Cartridge: 5.56x45mm NATO Barrel Profile: Government Gas Block Journal Size-Diameter: .750 in Threads per Inch: 1/2x28 Barrel Twist Rate: 1-7 Flutes: Straight Gun Model: AR-15 Condition: New

NOTE: This part features a colored anodized finish. These finishes are held to different aesthetic standards than parts finished in black anodizing or Cerakote. For more information on colored anodizing visit our Knowledge Center.

NOTE: This part features a colored anodized finish. These finishes are held to different aesthetic standards than parts finished in black anodizing or Cerakote. For more information on colored anodizing visit our Knowledge Center.

This complete upper receiver features the same tried-and-true construction and aesthetics as our M4E1 Threaded Upper Receivers, without provisions for a forward assist. The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. Our proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards. INCLUDES: M4E1 Threaded Assembled No Forward Assist Upper Receiver

This complete upper receiver features the same tried-and-true construction and aesthetics as our M4E1 Threaded Upper Receivers, without provisions for a forward assist. The included ATLAS R-ONE Handguard is designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. Our proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards. INCLUDES:

NOTE: This part features a colored anodized finish. These finishes are held to different aesthetic standards than parts finished in black anodizing or Cerakote. For more information on colored anodizing visit our Knowledge Center.

Description This high quality bolt carrier group is a valuable addition to your AR15 build. Features: - No Aero ‘A’ Logo - M16-cut carrier - Machined from 8620 Tool Steel (Carrier) and 9310 Steel (Bolt) - Carrier has forward assist serrations - Black Nitride Finish – advanced lower friction coating that minimizes the need for lubricants and cleaning - Properly staked gas key - Shot peened - HPT tested - Black o-ring insert on extractor - High quality BCG Bolt Finish Nitride / Melonite Bolt Material 9310 Steel Cartridge Compatibility .223/5.56 NATO/.300 BLK

Gen 2 Enhanced KeyMod Handguards are now available! Changes include the addition of quick disconnect sling sockets, enhanced milling design for grip and visual appeal and a new profile for the picatinny top rail. Our Enhanced KeyMod (EK) Handguards provide a lightweight free float design for your custom AR15 build. The KeyMod system allows advanced modularity past the current 1913 picatinny rail system. Machined to mil-spec dimensions and engineered to perfection, this handguard eliminates bulk while retaining strength and stability.

The Aero Precision AR15 ATLAS S-ONE M-LOK Handguard is a reliable mounting platform to host your favorite accessories and optics. Aero Precision machined these AR Handguards & Forends from 6061-T6 aluminum for optimal durability, and these handguards feature only front and rear Picatinny rails for weight reduction. This Aero Precision AR15 ATLAS S-ONE M-LOK Lightweight Handguard also features QD sling sockets at the 3, 6 and 9 o'clock positions for seamless sling attachment. These are compatible with Mil-Spec AR15 uppers and barrels, and they are also compatible with low profile gas blocks.

Aero Precision EPC-9 Receiver Set Semi-automatic 40 S&W/9MM Features: Aero Precision’s roots are deeply tied to aerospace, and our drive for clean, perfect engineering and machining stems from that. When you’re building something that will fly in the air, there is no margin for error. We take that same approach in the firearms industry. Not every manufacturer will have razor thin tolerance levels. Not every manufacturer will personally oversee the development, design and machining of every part that comes off the line.

The Aero Precision M4E1 Stripped Lower Receiver, Special Edition: Texas, in Anodized Black is a premium component that serves as an excellent foundation for building AR-15 rifles with a touch of Texas pride. This stripped lower receiver showcases a unique design and a sleek black anodized finish. The M4E1 Stripped Lower Receiver is precision machined from a solid block of 7075-T6 aluminum, renowned for its exceptional strength and durability. This material ensures a reliable and long-lasting lower receiver that can withstand the demands of various shooting applications.

Description Did you launch a detent and spring across the garage during your build and now you can’t find it? Our Oops Kit gets you the most commonly lost parts to finish your build. All parts in the Oops kit are compatible with AR15, M4E1 and M5 builds Includes: - Takedown Pin Detent (4) - Takedown Pin Spring (4) - Bolt Catch Roll Pin (2) - Trigger/Hammer Pin (2) - Safety Selector Spring (2) - Safety Selector Detent (2) - Buffer Retainer (2) - Buffer Retainer Spring (2) - Disconnector Spring (2) - 4-40 Set Screw (for threaded takedown pin detent hole) (2)

Aero Precision APRA700320C: The Aero Precision BREACH is a rugged, ambidextrous, precision-manufactured charging handle for the M5/AR308 platform. The BREACH's design utilizes a reinforced 7075-T6 aluminum bar that is up to the most demanding tasks. Its ambidextrous levers feature a patent-pending, dual spring system, that directs the force-of-use into the robust charging handle body. This allows the shooter to use a one-sided charging technique without compromising the part — a pitfall for traditional charging handles.

These gas blocks along with our gas tubes create an efficient and reliable gas system for your AR15 or AR 308 rifle build. FEATURES: Fits barrels with .875 Outer Diameter Constructed from 4140 hardened steel Phosphate coating Low profile for easy fitment Set Screws are Steel 10-32 x 3/16 Knurled Cup Point Made in the USA *Roll pin not included*

Aero Precision’s roots are deeply tied to aerospace, and our drive for clean, perfect engineering and machining stems from that. When you’re building something that will fly in the air, there is no margin for error. We take that same approach in the firearms industry. Not every manufacturer will have razor thin tolerance levels. Not every manufacturer will personally oversee the development, design and machining of every part that comes off the line. We’re not every manufacturer.

This Aero Precision M4E1 Threaded AR-15 upper receiver group comes completely assembled with 16” 5.56 barrel and the ATLAS R-ONE M-LOK handguard. This barreled upper receiver group does not include BCG or charging handle allowing you to choose your favorites for your build. The upper receiver is, however, fully assembled with forward assist and dust cover. The M4E1 threaded upper is made from forged 7075-T6 aluminum with a billet machined look that matches the lower and handguard.

This Aero Precision M4E1 Threaded upper receiver group comes completely assembled with 16” 5.56 barrel and the ATLAS S-ONE M-LOK handguard. This barreled upper receiver group does not include BCG or charging handle allowing you to choose your favorites for your build. The upper receiver is, however, fully assembled with forward assist and dust cover. The M4E1 threaded upper is made from forged 7075-T6 aluminum with a billet machined look that matches the lower and handguard.

MPN#: APAR610401AC The AR15 Assembled Upper Receiver comes with the port door already installed. This specific model does not have forward assist provisions. Forged from 7075-T6 aluminum, this assembled upper is precision machined to mil-spec M16/M4 specifications and features M4 feedramps. Match this upper with one of our AR15 lower receivers for a solid and dependable fit. Note: The no-forward assist upper receivers use a custom forging designed to work specifically with mil-spec port doors. It may not work with aftermarket port doors. Features: M4 Feedramps

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. On this specific model, the forward assist provisions have been removed. Match this upper with one of our AR15 lower receivers for a solid and dependable fit. Note: The no-forward assist upper receivers use a custom forging designed to work specifically with mil-spec port doors. It may not work with aftermarket port doors. Features: M4 Feedramps .250 takedown pin holes

This upper receiver and BCG combo is the perfect core for the lefty shooters out there looking to start their next build. This kit includes both a left-handed upper receiver and bolt carrier group which are the two primary components needed to allow for left handed ejection on AR15 pattern rifles. UPPER RECEIVER FEATURES: T-Marked Picatinny rail M4 Feedramps Anodized Black finish Left handed BCG cam channel Left handed ejection port BCG FEATURES: Left side ejection-oriented ejector, extractor, and cam pin path. Left side forward assist serrations Nickle Boron Finish C158 Bolt

Aero Precision Adjustable Gas Block – .750 The Aero Precision Adjustable Gas Block lets you finely tune your gas system for nearly any situation. This is particularly useful for managing excess gas to reduce blowback on suppressed firearms or competition builds where the shooter seeks to mitigate recoil. Features: Standard low-profile design provides an excellent fit under slim profile free float handguards, including the Aero Precision ATLAS series of handguards

The Aero Precision AR15 ATLAS S-ONE M-LOK Handguard is a reliable mounting platform to host your favorite accessories and optics. Aero Precision machined these AR Handguards & Forends from 6061-T6 aluminum for optimal durability, and these handguards feature only front and rear Picatinny rails for weight reduction. This Aero Precision AR15 ATLAS S-ONE M-LOK Lightweight Handguard also features QD sling sockets at the 3, 6 and 9 o'clock positions for seamless sling attachment. These are compatible with Mil-Spec AR15 uppers and barrels, and they are also compatible with low profile gas blocks.

Description Get started on your new AR-15 build with this Aero Precision Barreled Upper Receiver. It features a 16” barrel chambered in 5.56 NATO. It features a pinned front sight gas block and carbine length gas system a Magpul MOE SL M-LOK handguard. The upper receiver is forged from aluminum to Mil-Spec dimensions and hardcoat anodized black. Pick out your favorite bolt carrier group and charging handle and you have a complete upper receiver. Features: - 16” barrel chambered in 5.56 NATO - Pinned front sight gas block - Carbine length gas system

The March edition of the monthly Builder Set program is here to be the foundation of your next build. In collaboration with Blowndeadline these sets feature an OD Green base with the updated BDL Halftone 2.0 pattern. These receiver and handguard sets boast a unique look that is sure to set your next build apart from the rest.

NOTE: This part features a colored anodized finish. These finishes are held to different aesthetic standards than parts finished in black anodizing or Cerakote. For more information on colored anodizing visit our Knowledge Center. Our AR15 Stripped Lower Receiver is the perfect base for your custom AR15 build. Machined to mil-spec dimensions, our lowers work with standard AR15 components and ensure the highest quality with a correct component interface. INCLUDES: Stripped AR15 Gen 2 Lower Receiver in Kodiak Brown Anodized Nylon tipped tensioning screw

Aero Precision APAR308257: The Aero Precision M5 Complete Lower Receiver with Magpul SL-S Carbine Stock is the perfect upgrade for your AR build. This complete lower features an M5 (.308) Lower and is upgraded to include an Magpul SL-S Carbine Stock.

Description Our M5 .308 Complete Lower Receiver is the perfect base for your custom big-bore AR rifle. Save when you buy it complete and let our specialist do the installation for you! Features: - Works with standard AR 308 components and magazines - Rear takedown pin detent hole is threaded for a 4-40 set screw - Bolt catch is threaded for a screw pin (no roll pin needed) - Integrated trigger guard - Selector markings will work with 45, 60 or 90 degree safety selectors - Accepts Battle Arms Development short throw safety selectors, but will work with any standard selector

NOTE: This part features a colored anodized finish. These finishes are held to different aesthetic standards than parts finished in black anodizing or Cerakote. For more information on colored anodizing visit our Knowledge Center.

NOTE: This part features a colored anodized finish. These finishes are held to different aesthetic standards than parts finished in black anodizing or Cerakote. For more information on colored anodizing visit our Knowledge Center.

This complete upper receiver features the same tried-and-true construction and aesthetics as our M4E1 Threaded Upper Receivers, without provisions for a forward assist. The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. Our proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards. INCLUDES: M4E1 Threaded Assembled No Forward Assist Upper Receiver

NOTE: This part features a colored anodized finish. These finishes are held to different aesthetic standards than parts finished in black anodizing or Cerakote. For more information on colored anodizing visit our Knowledge Center.

NOTE: This part features a colored anodized finish. These finishes are held to different aesthetic standards than parts finished in black anodizing or Cerakote. For more information on colored anodizing visit our Knowledge Center.

Description AO Precision has provided BCGs to large military contractors such as FN America and large commercial retailers who re-brand and sell these at a considerable mark-up. You can now get these directly from AR15Discounts.com and save big! Bolt - Machined from Carpenter Technology No. 158 alloy. - Heat treated - Shot peened per ASTM B851/SAE AMS2430S - Individually High Pressure Tested (test fired) - HP proof testing, 100% using a high pressure M197 or SAAMI commercial equivalent, without evidence of failure

Aero Precision APAR308226: The M5 Complete Lower Receiver is the perfect base for your custom big-bore AR build. This complete lower features Aero Precision's custom designed M5 Lower Receiver and is upgraded to include a MOE Grip and PRS® Gen3 Precision Adjustable Stock.Includes:M5 Stripped Lower ReceiverMOE Grip - FDEPRS Gen3 Precision Adjustable Stock - FDELower Parts KitRifle Receiver ExtensionM5 Rifle Buffer and SpringThese parts are installedAero Precision's M5 Lower Receiver sets the standard for big-bore AR builds.