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Guns For Sale - Hinterland Outfitters Online Gun Shop
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AERO APAR501302C  AR15 LOWER STRP FDE GEN2

Hinterland Item #78254

Manufacturer Item #APAR501302C

AERO APAR501302C AR15 LOWER STRP FDE GEN2

Our Price: $88.00

Availability: In Stock

AERO APAR600001C  M4E1 LOWER STRP BLK

Hinterland Item #78255

Manufacturer Item #APAR600001C

AERO APAR600001C M4E1 LOWER STRP BLK

Our Price: $79.99

Availability: In Stock

AERO APAR600002C  M4E1 LOWER STRP FDE

Hinterland Item #78256

Manufacturer Item #APAR600002C

AERO APAR600002C M4E1 LOWER STRP FDE

Our Price: $78.26

Availability: In Stock

Aero Precision APAR308003C M5 308 Stripped Lower Receiver AR-15 AR Platform Multi-Caliber Black Hardcoat Anodized

Hinterland Item #51865

Manufacturer Item #APAR308003C

Aero Precision APAR308003C M5 308 Stripped Lower Receiver AR-15 AR Platform Multi-Caliber Black Hardcoat Anodized

Our Price: $148.00

Availability: In Stock

Aero Precision APAR308005C M5 308 Stripped Lower Receiver AR-15 AR Platform Multi-Caliber Flat Dark Earth Cerakote

Hinterland Item #51866

Manufacturer Item #APAR308005C

Aero Precision APAR308005C M5 308 Stripped Lower Receiver AR-15 AR Platform Multi-Caliber Flat Dark Earth Cerakote

Our Price: $168.00

Availability: **Out of Stock**

Aero Precision APAR501101 Lower AR-15 AR Platform Multi-Caliber Black Hardcoat Anodized

Hinterland Item #51867

Manufacturer Item #APAR501101C

Aero Precision APAR501101 Lower AR-15 AR Platform Multi-Caliber Black Hardcoat Anodized

Our Price: $72.00

Availability: In Stock

Aero Precision APCS100001 M5 Stripped Receiver Set M5 308 Winchester/7.62 NATO Black Hardcoat Anodized

Hinterland Item #51868

Manufacturer Item #APCS100001S

Aero Precision APCS100001 M5 Stripped Receiver Set M5 308 Winchester/7.62 NATO Black Hardcoat Anodized

Our Price: $256.00

Availability: In Stock

Aero Precision APCS100002 AR-15 Stripped Receiver Set Multi-Caliber AR Platform Black Hardcoat Anodized

Hinterland Item #51869

Manufacturer Item #APCS100002S

Aero Precision APCS100002 AR-15 Stripped Receiver Set Multi-Caliber AR Platform Black Hardcoat Anodized

Our Price: $125.13

Availability: In Stock

Aero Precision APCS100008 AR-15 Stripped Receiver Set Multi-Caliber Flat Dark Earth Cerakote

Hinterland Item #51841

Manufacturer Item #APCS100008S

Aero Precision APCS100008 AR-15 Stripped Receiver Set Multi-Caliber Flat Dark Earth Cerakote

Our Price: $171.99

Availability: In Stock

Aero Precision APCS100015 M5 Stripped Receiver Set M5 308 Winchester/7.62 NATO Flat Dark Earth Cerakote

Hinterland Item #51870

Manufacturer Item #APCS100015

Aero Precision APCS100015 M5 Stripped Receiver Set M5 308 Winchester/7.62 NATO Flat Dark Earth Cerakote

Our Price: $296.00

Availability: In Stock

Anderson AM556LWPARTS Lower Parts Kit 5.56

Hinterland Item #42442

Manufacturer Item #AM556LWPARTS

Anderson AM556LWPARTS Lower Parts Kit 5.56

Our Price: $38.82

Availability: **Out of Stock**

Anderson AR15A3LWFOR Stripped Lower 5.56

Hinterland Item #41586

Manufacturer Item #AR15A3LWFOR

Anderson AR15A3LWFOR Stripped Lower 5.56

Our Price: $43.12

(1 Customer Review)

Availability: **Out of Stock**

Anderson D2K067A000OP AR-15 Stripped Lower Receiver Multi-Caliber Black Hardcoat Anodized

Hinterland Item #78345

Manufacturer Item #D2K067A000OP

Anderson D2K067A000OP AR-15 Stripped Lower Receiver Multi-Caliber Black Hardcoat Anodized

Our Price: $37.72

Availability: In Stock

ATI GOMX556S Omni Maxx 5.56x45 16"   Black Brl Finish

Hinterland Item #62782

Manufacturer Item #GOMX556S

ATI GOMX556S Omni Maxx 5.56x45 16" Black Brl Finish

Our Price: $519.15

Availability: **Out of Stock**

ATI GRCVRAILFDE MIL LOWER,UPPER,RL FDE

Hinterland Item #75118

Manufacturer Item #GRCVRAILFDE

ATI GRCVRAILFDE MIL LOWER,UPPER,RL FDE

Our Price: $176.23

Availability: **Out of Stock**

ATI GRCVRAILOD  MIL LOWER,UPPER,RL OD

Hinterland Item #75119

Manufacturer Item #GRCVRAILOD

ATI GRCVRAILOD MIL LOWER,UPPER,RL OD

Our Price: $176.23

Availability: **Out of Stock**

ATI GRCVRAILSG  MIL LOWER,UPPER,RL GRY

Hinterland Item #75120

Manufacturer Item #GRCVRAILSG

ATI GRCVRAILSG MIL LOWER,UPPER,RL GRY

Our Price: $178.47

Availability: **Out of Stock**

ATI GRCVRAILTIT MIL LOWER,UPPER,RL TIT

Hinterland Item #75121

Manufacturer Item #GRCVRAILTIT

ATI GRCVRAILTIT MIL LOWER,UPPER,RL TIT

Our Price: $177.35

Availability: **Out of Stock**

Bravo LRG-STK-MOD BCM Lower w/Stock Mod 0 Multi-Caliber AR Platform Blk

Hinterland Item #62787

Manufacturer Item #LRGSTKMOD0BLK

Bravo LRG-STK-MOD BCM Lower w/Stock Mod 0 Multi-Caliber AR Platform Blk

Our Price: $356.16

(1 Customer Review)

Availability: In Stock

Bravo LRG-STK-MOD BCM Lower w/Stock Mod 0 Multi-Caliber AR Platform Flat Dark Earth Cerakote

Hinterland Item #62788

Manufacturer Item #LRGSTKMOD0FDE

Bravo LRG-STK-MOD BCM Lower w/Stock Mod 0 Multi-Caliber AR Platform Flat Dark Earth Cerakote

Our Price: $356.16

Availability: In Stock

BRO BROSPEC15LR FORGED LOWER REC

Hinterland Item #75313

Manufacturer Item #BROSPEC15LR

BRO BROSPEC15LR FORGED LOWER REC

Our Price: $121.24

Availability: In Stock

Bushmaster 92950 M4 Semi Auto Lower 223 Rem 14.5 in Black Telestock M4 Collapsible Stock

Hinterland Item #41090

Manufacturer Item #92950

Bushmaster 92950 M4 Semi Auto Lower 223 Rem 14.5 in Black Telestock M4 Collapsible Stock

Our Price: $345.03

Availability: **Out of Stock**

Bushmaster 92952 AR15 Lower Receiver MC Telescoping

Hinterland Item #42029

Manufacturer Item #92952

Bushmaster 92952 AR15 Lower Receiver MC Telescoping

Our Price: $267.24

(1 Customer Review)

Availability: In Stock

Bushmaster 92956 Semi Auto Lower 223 Rem Black w/Buttstock

Hinterland Item #41091

Manufacturer Item #92956

Bushmaster 92956 Semi Auto Lower 223 Rem Black w/Buttstock

Our Price: $258.84

Availability: **Out of Stock**

Bushmaster 92958 AR15 Lower Receiver MC A2

Hinterland Item #42031

Manufacturer Item #92958

Bushmaster 92958 AR15 Lower Receiver MC A2

Our Price: $250.66

Availability: In Stock

Bushmaster 92960 AR15 Lower Receiver ACE Skelton

Hinterland Item #42032

Manufacturer Item #92960

Bushmaster 92960 AR15 Lower Receiver ACE Skelton

Our Price: $381.75

Availability: **Out of Stock**

Bushmaster 93384 Lower Receiver Parts Kit AR-Style Kit

Hinterland Item #45671

Manufacturer Item #93384

Bushmaster 93384 Lower Receiver Parts Kit AR-Style Kit

Our Price: $70.74

Availability: In Stock

Chia 500093 M4 22LR Upper Carb 28rd 18.5"

Hinterland Item #62783

Manufacturer Item #500093

Chia 500093 M4 22LR Upper Carb 28rd 18.5"

Our Price: $269.68

Availability: In Stock

Chia 500095 M4 22LR Upper 28rd 18.5" Steel Blk Parkerized

Hinterland Item #62784

Manufacturer Item #500095

Chia 500095 M4 22LR Upper 28rd 18.5" Steel Blk Parkerized

Our Price: $282.93

Availability: In Stock

CMMG 10227 9mm MK9 Complete Lower Receiver AR-15 9mm 6 Pos Stk Blk

Hinterland Item #62789

Manufacturer Item #90CA360

CMMG 10227 9mm MK9 Complete Lower Receiver AR-15 9mm 6 Pos Stk Blk

Our Price: $285.99

Availability: In Stock

CMMG 55CA360 5.56/.223 AR-15 Complete Lower Receiver Group with M4 Stk, AR Platform, T6 Aluminum, Black

Hinterland Item #46776

Manufacturer Item #55CA360

CMMG 55CA360 5.56/.223 AR-15 Complete Lower Receiver Group with M4 Stk, AR Platform, T6 Aluminum, Black

Our Price: $196.77

(1 Customer Review)

Availability: In Stock

CMMG 55CA6B8 AR15 Lower Parts Kit 223 Remington/5.56 NATO

Hinterland Item #78552

Manufacturer Item #55CA6B8

CMMG 55CA6B8 AR15 Lower Parts Kit 223 Remington/5.56 NATO

Our Price: $71.88

Availability: In Stock

CMMG 55CA6C5 Lower Parts Kit

Hinterland Item #42298

Manufacturer Item #55CA6C5

CMMG 55CA6C5 Lower Parts Kit

Our Price: $51.94

(1 Customer Review)

Availability: In Stock

COLT SP633784 COMPLETE LOWER REC M4

Hinterland Item #75382

Manufacturer Item #SP633784

COLT SP633784 COMPLETE LOWER REC M4

Our Price: $268.80

Availability: **Out of Stock**

DPMS Lower Assembled 223 Rem 16" w/AP4 Stock LR05AP4

Hinterland Item #39143

Manufacturer Item #LR05AP4

DPMS Lower Assembled 223 Rem 16" w/AP4 Stock LR05AP4

Our Price: $168.54

(1 Customer Review)

Availability: In Stock

DPMS Lower Assembled 223 Rem 16" w/Standard Fixed Stock LR05ASF

Hinterland Item #39144

Manufacturer Item #LR05ASF

DPMS Lower Assembled 223 Rem 16" w/Standard Fixed Stock LR05ASF

Our Price: $229.50

Availability: In Stock

DPMS Lower Assembled 223 Rem No Stock LR05LP

Hinterland Item #39145

Manufacturer Item #LR05LP

DPMS Lower Assembled 223 Rem No Stock LR05LP

Our Price: $152.33

Availability: In Stock

DPMS LR05PS Assemble Lower Pardus Stock AR-15 Platform 223 Remington/5.56 NATO Black Hardcoat Anodized

Hinterland Item #52050

Manufacturer Item #LR05PS

DPMS LR05PS Assemble Lower Pardus Stock AR-15 Platform 223 Remington/5.56 NATO Black Hardcoat Anodized

Our Price: $280.38

Availability: In Stock

DPMS LR05TL 223 Stripped Lower Receiver, 10 Rd, CA Approved

Hinterland Item #37889

Manufacturer Item #LR05TL

DPMS LR05TL 223 Stripped Lower Receiver, 10 Rd, CA Approved

Our Price: $145.77

Availability: **Out of Stock**

DPMS LRO5K .223/5.56 Stripped Lower AR-15 Black

Hinterland Item #52049

Manufacturer Item #LR05K

DPMS LRO5K .223/5.56 Stripped Lower AR-15 Black

Our Price: $93.46

Availability: In Stock

DRD Tactical CDR-15LOW Billet 7075 T6 Aluminum AR-15 Lower Multi-Caliber Blk

Hinterland Item #52052

Manufacturer Item #CDR15LOW

DRD Tactical CDR-15LOW Billet 7075 T6 Aluminum AR-15 Lower Multi-Caliber Blk

Our Price: $260.09

Availability: **Out of Stock**

Full Conceal M1SP320L M3 Sig P320 Lower Pistol 9mm Luger Black

Hinterland Item #78619

Manufacturer Item #M1SP320L

Full Conceal M1SP320L M3 Sig P320 Lower Pistol 9mm Luger Black

Our Price: $535.43

Availability: **Out of Stock**

Full Conceal M3G19L M3 Glock 19 Lower Pistol 9mm Luger Black

Hinterland Item #78620

Manufacturer Item #M3G19L

Full Conceal M3G19L M3 Glock 19 Lower Pistol 9mm Luger Black

Our Price: $513.70

Availability: In Stock

LANTAC 01RVSETN15RAVEN UPPER/LOWER SET

Hinterland Item #75784

Manufacturer Item #01RVSETN15RAVEN

LANTAC 01RVSETN15RAVEN UPPER/LOWER SET

Our Price: $456.95

Availability: In Stock

LANTAC LA00267  N15 RAVEN BILLET LOWER

Hinterland Item #75786

Manufacturer Item #LA00267

LANTAC LA00267 N15 RAVEN BILLET LOWER

Our Price: $239.56

Availability: **Out of Stock**

LANTAC LA00302  SF15 USR UPP/LOWER SET

Hinterland Item #75787

Manufacturer Item #LA00302

LANTAC LA00302 SF15 USR UPP/LOWER SET

Our Price: $225.57

Availability: **Out of Stock**

P80 308KIT-BLK      308 WARRHOG LWR RECV KIT 80%

Hinterland Item #76799

Manufacturer Item #P80308KITBLK

P80 308KIT-BLK 308 WARRHOG LWR RECV KIT 80%

Our Price: $54.25

(4 Customer Reviews)

Availability: In Stock

P80 308KIT-FDE      308 WARRHOG LWR RECV KIT 80%

Hinterland Item #76800

Manufacturer Item #P80308KITFDE

P80 308KIT-FDE 308 WARRHOG LWR RECV KIT 80%

Our Price: $54.25

Availability: In Stock

P80 308KIT-GRY      308 WARRHOG LWR RECV KIT 80%

Hinterland Item #76801

Manufacturer Item #P80308KITGRY

P80 308KIT-GRY 308 WARRHOG LWR RECV KIT 80%

Our Price: $54.25

Availability: In Stock

P80 308KIT-ODG      308 WARRHOG LWR RECV KIT 80%

Hinterland Item #76802

Manufacturer Item #P80308KITODG

P80 308KIT-ODG 308 WARRHOG LWR RECV KIT 80%

Our Price: $54.25

Availability: In Stock

Result Pages:

Lower Receivers

What Are Lover Receivers?

AR-15 lower receivers contain about 20% of the assault rifle’s components and are technically considered firearms because they house the firing mechanisms. Lower receivers connect to upper receivers to make a complete AR-15 rifle, and you can either buy them completed or stripped down to assemble on your own. One important thing to remember is that the AR-15 lower receiver is one of the most regulated parts of a MSR rifle. This is where you’ll find the firearm’s serial number, and when purchasing one, you’ll be required to take a standard FBI background check.

At Hinterland Outfitters, you’ll find lower receivers from all your favorite brands, including some of the most popular lower receiver manufacturers:

  • Armalite
  • POF
  • PWS
  • Bravo
  • Bushmaster
  • Remington
  • Ruger
  • Smith & Wesson

Anatomy of a Lower Receiver

Often call the “lower” for short, an AR-15 lower receiver contains the pistol grip, buffer tube, bolt catch, buttstock, magazine well and release, trigger group, disconnector, hammer and safety selector:

  • Trigger Groups: The trigger group of an AR-15 lower is vitally important to the function of the rifle—you can’t fire with a trigger. The trigger group consists of the trigger, hammer and other necessary housing components. When choosing a trigger group or assembling one from various parts, you want to make sure you choose one that has a comfortable pull weight, or the amount of pull it takes to squeeze the trigger back. Many enjoy using a light trigger pull to increase accuracy and firing rate, but a light trigger can lead to negligent discharge (ND). For this reason, law enforcement and the military use heavier trigger pulls, usually 8-9 pounds. A “light” trigger pull is usually something under 4 pounds.
  • Buffer Tube/Buffer: Sometimes referred to as a lower receiver extension assembly, the buffer tube assembly is a spring that slows down the backwards movement of the bolt in order to absorb some of the felt recoil and push the bolt back into the place when chambering a new round. This has a number of benefits. For starters, you’ll be able to shoot longer and more accurately with less recoil. Additionally, it helps ensure the integrity of the rifle by slowing down some of the faster action and containing it better. If putting your own lower together, make sure your buffer tube and stock have the same specifications because buffer tubes come in two sizes: mil-spec and commercial-spec.
  • Buttstock: How your rifle rests into your shoulder is integral to a comfortable shooting experience. The buttstock connects to the firing mechanisms of your assault rifle, and usually, it slides right onto the buffer tube assembly. When searching for the perfect buttstock, you’ll find that there are two major categories to choose from: fixed and collapsible. Fixed stocks tend to be stronger and can help to balance out heavier front ends, while collapsible buttstocks allow you to adjust the length so you can find the perfect fit.
  • Magazine: Lower receivers contain the magazine well where your magazines slide into, as well as the magazine release, which allows you to eject the magazine to refill or swap it out. Magazines hold the rifle’s ammunition and vary in size. It’s important to understand your state’s laws regarding magazines because they can vary from state to state.
  • Pistol Grip: Since your trigger hand has the final word when firing, you need a good grip, and there is a wide array of grips to choose from. Make sure you have a pistol grip that feels comfortable when wielding your assault rifle. The more comfortable and firm you grip, the better your shooting experience will be.
  • Lower Parts Kit: The modular design of the AR-15 is what draws many gun enthusiasts to it, as they love the ability to customize and assemble their own rifle from specifically chosen parts. A lower parts kit gives you everything you need to assemble your own lower receiver the way you want it.

Two Types

When browsing AR-15 lower receivers, you’ll find they come in two major types: stripped and complete. A complete lower receiver- includes everything you need to plug and play.  These lowers include the trigger group, buffer tube, butt stock, pistol grip, operating levers and magazine. A stripped lower receiver- only includes the shell of the receiver. With a stripped lower, you’ll need to install all the various parts of the lower receiver yourself. Many gun enthusiasts will prefer a stripped lower because it gives them endless customization options.

Manufacturing Process

While shopping for your new AR-15 lower receiver, you’ll run into some terms referring to the lowers’ manufacturing processes. One important thing to note is that aluminum alloys are the go-to for lower receivers due to their lightweight strength and ability to resist corrosion. However, you’ll find some differences between the ways in which the lowers are crafted.

  • Aluminum Alloys: There are two major aluminum alloys used with lower receivers: 6061-T6 and 7075-T6. 7075-T6 is a stronger alloy, while 6061-T6 is more resistant to corrosion. When it comes to AR-15s, most of the high pressures and stress are within the upper receiver, so having an extra strong lower may not be necessary.
  • Cast Aluminum: A casted lower receiver is made by pouring molten aluminum into a mold, and once it is solidified, the lower is finished on a Computer Numerical Control (CNC) machine. Due to their manufacturing process, cast lowers tend to be the most economical choice.
  • Billet Aluminum: A billet lower receiver is crafted from a solid block of aluminum alloy. This “bar stock” is then fed into a CNC machine, which then carves, or billets, excess aluminum away until the final shape and intricate design of the lower is achieved. Many gun owners like billet lowers because they tend to have very clean and aesthetically pleasing designs.
  • Forged Aluminum: Forged lowers are created using a forging process of compressive forces. The aluminum is hammered and pressed into an initial shape, then finished on a CNC machine. Most metallurgists agree that forged aluminum is stronger than cast or billet.

Buying Lower Receivers from Hinterland Outfitters

If you’re new to AR-15s, it may be best to purchase a complete lower that will save you the headache of assembling one from various parts. However, here at Hinterland Outfitters, you’ll find everything you need to build your perfectly customized and personal AR-15 lower. Don’t hesitate to contact us and speak to one of our knowledgeable customer service representatives, who will help you choose the best AR lower parts and kits.