Skip to content

Skip to navigation Skip to content

Your Cart

Most Orders Over $200 Ship FREE!

Order by 3PM Central for Same Day Shipping

Earn cashback with every order! Learn more.

Search for:

Guns & NFA
Mags
- 5.56/300BLK
- SR25/AR10
- 6mm ARC
- AK
- Handgun
- PCC & Subgun
- Parts & Accessories
Ammo
Parts & Accessories
Lights
Sights & Optics
- Optics
- LPVO & Scope Mounts
  - 30mm
  - 34mm
  - 35mm
- Mount Accessories
  - 30mm
  - 34mm
  - 35mm
- Red Dot Mounts & Risers
- Iron Sights
- IR Devices
Gear
Cleaning, Lube & Tools
Glock Parts
- Gen 3
- Gen 4
- Gen 5
- Gen 6
- Slimline
- Sights
- MOS Optic Plates
HK Parts
- USP
- MP5 & MP5K
- MP7
- HK416 & MR556
- HK417 & MR762
Other Gun Parts
Brands
Training
Support

Browse

Want to Chat?

Contact Us

Social

Facebook Instagram

Search for:

Browse

My Account
Customer Support

Want to chat?

Social

Facebook
Instagram
YouTube

All inventory is live; if it’s in-stock, it’s ready to ship!

Complete AR Lowers

Home / Guns and NFA / AR Lower Receivers / Complete AR Lowers / Page 2

Showing 19–36 of 36 results

←
1
2

Out of stock

Guns and NFA, AR Lower Receivers, Complete AR Lowers, CX, HX

Knight’s Armament SR-15 IWS Lower Receiver Assembly
$1,060.29 Select Options
Out of stock

AR Lower Receivers, Complete AR Lowers, CX, Guns and NFA, HX

BCM Complete Gunfighter FDE SOPMOD Lower Receiver Assembly
Rated 4.86 out of 5
$395.00 Select Options
Out of stock

AR Lower Receivers, Complete AR Lowers, CX, Guns and NFA, HX

LWRC IC Forged Complete Ambidextrous Lower Receiver, Patriot Brown
Rated 5.00 out of 5
$624.00 Select Options
Out of stock

AR Lower Receivers, Complete AR Lowers, Guns and NFA, Stripped AR Lowers

LMT MARS-H Forged Ambidextrous Lower Receiver – No Stock & Trigger
Rated 5.00 out of 5
$1,033.80 Select Options
Out of stock

AR Lower Receivers, Complete AR Lowers, CX, Guns and NFA, HX

BCM Complete MK2 Lower w/ Recoil Mitigation Buffer System & Mod 1 SOPMOD Stock, Black
Rated 5.00 out of 5
$433.00 Select Options
Out of stock

AR Lower Receivers, Complete AR Lowers, CX, Guns and NFA, HX

BCM Complete MK2 Lower Receiver Assembly w/ Recoil Mitigation Buffer System, Black
Rated 5.00 out of 5
$494.00 Select Options
Out of stock

AR Lower Receivers, Complete AR Lowers, CX, Guns and NFA, HX

BCM Complete Gunfighter Black SOPMOD Lower Receiver Assembly
Rated 5.00 out of 5
$494.00 Select Options
Out of stock

AR Lower Receivers, Complete AR Lowers, CX, Guns and NFA, HX

Knight’s Armament SR-15 IWS Lower Receiver Assembly, FDE Cerakote
$1,233.88 Select Options
Out of stock

AR Lower Receivers, Complete AR Lowers, CX, Guns and NFA, HX

BCM Complete MK2 Lower Receiver Assembly w/ Recoil Mitigation Buffer System, FDE
Rated 5.00 out of 5
$494.00 Select Options
Out of stock

AR Lower Receivers, Complete AR Lowers, CX, Guns and NFA, HX

Knight’s Armament SR-30 IWS Lower Receiver Assembly
Rated 5.00 out of 5
$1,060.29 Select Options
Out of stock

AR Lower Receivers, Complete AR Lowers, Guns and NFA

FN Complete FN15 Lower Receiver Assembly
$419.00 Select Options
Out of stock

AR Lower Receivers, Complete AR Lowers, CX, Guns and NFA, HX

BCM Complete MK2 Lower w/ Recoil Mitigation Buffer System & Mod 1 SOPMOD Stock, FDE
$494.00 Select Options
Out of stock

AR Lower Receivers, Complete AR Lowers, CX, Guns and NFA, HX

LMT MWS Defender Complete Lower Receiver Assembly
$1,043.10 Select Options
Out of stock

AR Lower Receivers, Complete AR Lowers, CX, Guns and NFA, HX

LMT MWS MARS-H Complete Lower Receiver Assembly
$1,363.50 Select Options
Out of stock

AR Lower Receivers, Complete AR Lowers, CX, Guns and NFA, HX

Knight’s Armament SR-15 IWS Lower Receiver Assembly
Rated 5.00 out of 5
$1,060.29 Select Options
Out of stock

AR Lower Receivers, Complete AR Lowers, CX, Guns and NFA, HX, KAC Things

Knight’s Armament SR-25 V2 Complete Lower Receiver Assembly
$1,440.00 Select Options
Out of stock

AR Lower Receivers, Complete AR Lowers, Guns and NFA

Noveske Rifleworks Chainsaw Forged Complete Lower Receiver Assembly
$680.00 Select Options
Out of stock

Guns and NFA, AR Lower Receivers, Complete AR Lowers

LMT MARS-L Forged Complete Compact Ambidextrous Lower Receiver – PDW
$1,019.70 Select Options

Showing 19–36 of 36 results

←
1
2

Search for:

Shop by Brand

Product categories

Shotgun Parts & Accessories
Ruger RXM
VA20
VA15
VA30
Cleaning, Lubrication & Tools
HK Parts
KAC Things
LMT Fan Favorites
Tavor & X95
Yard Sale
Accessories
All AR Upper Parts
All AR Upper Receivers
Ammo
Apparel
AR Lower Parts
AK
Glock Parts
Gear
Guns and NFA
- AR Lower Receivers
- Complete Rifles
- Handguns
- NFA
Lights
Magazines
CZ Scorpion EVO 3
Sights and Optics
SR-25, MWS & AR10
CX
HX
Uncategorized

STORE

Home
About
Support
Heroes Program

ACCOUNT

account
privacy policy
terms and conditions

FOLLOW

Instagram
Youtube
Facebook
Reddit

SIGN UP

Sign up for our mailing list to be the first to know when new deals drop!

Your email:

Home of the Fastest Sweatshop in the West

© Rooftop Defense 2026. All Rights Reserved.

STORE

Home
About
Support
Heroes Program

ACCOUNT

account
privacy policy
terms and conditions

FOLLOW US

Instagram
Youtube
Facebook
Reddit

SIGN UP

Sign up for our mailing list to be the first to know when new deals drop!

Your email:

Home of the Fastest Sweatshop in the West

© Copyright Rooftop Defense 2025. All Rights Reserved.