Home
Shop
Local Services
My Account
Contact
About Us

Search

Air Guns78 products
- Air Gun Accessories16 products
- Air Pistols19 products
- Air Rifles43 products
Ammunition1952 products
- Ammo Storage7 products
- Handgun Ammunition546 products
- Other Ammunition5 products
- Rifle Ammunition916 products
- Rimfire Ammunition59 products
- Shotgun Shells419 products
Ammunition Reloading263 products
- Reloading Equipment22 products
  - Reloading Accessories1 product
  - Reloading Books & Manuals1 product
  - Reloading Dies5 products
  - Reloading Presses & Kits10 products
  - Shellholders & Die Accessories5 products
- Reloading Supplies241 products
  - Other Reloading Supplies9 products
  - Reloading Brass8 products
  - Reloading Bullets221 products
  - Reloading Primers3 products
Backpacks and Gearbags33 products
Black Powder & Muzzleloaders1 product
- Other Muzzleloader Supplies & Black Powder Parts1 product
Class 3 Firearms, NFA & Destructive Devices315 products
- Class 3 Parts & Accessories312 products
- Silencers & Suppressed Firearms3 products
Clothing, Jewelry, Watches186 products
- Clothing186 products
  - Belts & Belt Buckles42 products
  - Eyewear14 products
  - Gloves53 products
  - Hats & Headwear8 products
  - Other Clothing5 products
  - PPE3 products
  - Shirts, Sweatshirts & Vests61 products
Concealed Carry238 products
- Concealed Carry Holsters235 products
- Concealed Carry Purses3 products
Duty Gear138 products
- Baton Holders2 products
- Duty Belts & Harnesses22 products
- Flashlight Holsters1 product
- Handcuffs/Handcuff Cases10 products
- Magazine Pouches103 products
Gun Parts4015 products
- 1911 Parts44 products
  - 1911 Grips16 products
  - 1911 Triggers2 products
  - Other 1911 Accessories & Parts3 products
- AK Parts110 products
  - AK Grips21 products
  - AK Stocks, Forends, Forearms51 products
  - AK Triggers8 products
  - Other AK Accessories & Parts11 products
  - Small AK Parts2 products
- AR Lower Parts619 products
  - AR Bolt Catch/Release16 products
  - AR Braces/Stocks155 products
  - AR Buffer System91 products
  - AR Grips145 products
  - AR Lower Parts Kits31 products
  - AR Magazine Catch/Release12 products
  - AR Safety Selectors42 products
  - AR Takedown Pins16 products
  - AR Trigger Guards5 products
  - AR Triggers94 products
- AR Upper Parts780 products
  - AR Barrels124 products
  - AR Bolt Carrier Groups45 products
  - AR Charging Handles70 products
  - AR Dust Cover10 products
  - AR Foregrip/Handstop124 products
  - AR Forward Assist9 products
  - AR Gas System85 products
  - AR Handguards178 products
  - AR Muzzle Devices120 products
- AR10 Parts11 products
  - AR10 Barrels1 product
  - AR10 Bolts4 products
  - AR10 Stocks, Forends, Forearms3 products
  - Other AR10 Accessories & Parts1 product
  - Small AR10 Parts1 product
- AR15 Parts192 products
  - AR15 Barrels10 products
  - AR15 Bolts24 products
  - AR15 Stocks, Forends, Forearms45 products
  - AR15 Uppers72 products
  - Other AR15 Accessories & Parts15 products
  - Small AR15 Parts21 products
- Glock Parts255 products
  - Glock Barrels81 products
  - Glock Grips32 products
  - Glock Slides19 products
  - Glock Triggers53 products
  - Other Glock Accessories & Parts3 products
  - Small Glock Parts46 products
- Gun Parts Kits6 products
- Handgun Parts329 products
  - Handgun Barrels76 products
  - Handgun Frames81 products
  - Handgun Slides24 products
  - Handgun Triggers4 products
  - Other Handgun Accessories & Parts9 products
  - Pistol Grips79 products
  - Small Handgun Parts26 products
- Lever Action Parts34 products
  - Lever Action Handguards14 products
- Other Gun Accessories & Parts514 products
- Rifle Parts403 products
  - Other Rifle Accessories & Parts71 products
  - Rifle Barrels15 products
  - Rifle Bolts4 products
  - Rifle Stocks213 products
  - Rifle Triggers85 products
  - Small Rifle Parts7 products
- Shotgun Parts102 products
  - Other Shotgun Accessories & Parts14 products
  - Shotgun Barrels6 products
  - Shotgun Chokes2 products
  - Shotgun Stocks60 products
- Slings & Sling Parts313 products
  - Slings238 products
  - Slings Parts & Accessories75 products
- Weapon Lights302 products
Holsters & Gun Leather773 products
Hunting Supplies & Gear133 products
- Bags & Packs2 products
- Flashlights99 products
- Game Cameras2 products
- Hunting Accessories30 products
Knives & Swords435 products
- Automatic Knives1 product
- Filet Knives2 products
- Fixed Blade Knives80 products
- Hunting Knives28 products
- Knife Accessories30 products
- Pocket Knives279 products
- Swords & Axes15 products
Magazines1368 products
- AK Magazines39 products
- AR Magazines224 products
- Handgun Magazines784 products
- Magazine Accessories62 products
- Rifle Magazines227 products
- Shotgun Magazines32 products
Pepper Spray / OC31 products
Personal Defense/Less-Lethal25 products
- Less-Lethal Accessories3 products
- Less-Lethal Pistols & Rifles1 product
- Plate Carriers12 products
Range Gear447 products
- Chronographs1 product
- Range Bags & Cases445 products
- Shot Timers1 product
Scopes, Sights & Optics2603 products
- Binoculars37 products
- Gun Scopes383 products
- Gun Sights483 products
- Laser Sights121 products
- Night Vision20 products
- Optics Accessories11 products
- Range Finders14 products
- Red Dot Mounts301 products
- Red Dots Sights341 products
- Scope Accessories & Scope Parts802 products
  - Scope Bases158 products
  - Scope Mounting Tools8 products
  - Scope Mounts204 products
  - Scope Rings297 products
- Sight Magnifiers17 products
- Spotting Scopes17 products
- Thermal Sights56 products
Shooting Supplies1268 products
- Bipods & Tripods123 products
- Gun Cleaning Kits & Gun Cleaning Supplies478 products
- Gun Rests, Vises & Benches66 products
- Gunsmithing Tools & Gunsmith Supplies191 products
- Shooting Glasses & Hearing Protection185 products
- Shooting Targets222 products
TASER/Stun Gun16 products
Gift Card1 product

Home / Gun Parts / AR Lower Parts / AR Lower Parts Kits

AR Lower Parts Kits

Showing 1–16 of 31 results

ARMASPEC SPR LT GUN BLDRS KIT FDE
$78.00 Add to cart
ARMASPEC SPR LT GUN BLDRS KIT RED
$78.00 Add to cart
ARMASPEC SPR LT LPK 223/556 RED
$83.00 Add to cart
BAD ENHANCED LPK MOD3
$34.00 Add to cart
CMC AR-15 LPK W/CURVED TRIGGER
$249.00 Add to cart
CMC AR-15 LPK W/FLAT TRIGGER
$249.00 Add to cart
CMC AR-15 LPK WITHOUT GRIP/FCG
$40.00 Add to cart
CMMG LPK 308 BLK
$88.00 Add to cart
CMMG LPK 308 WITHOUT GRIP/FIRE CONTR
$52.00 Add to cart
CMMG LPK 556 BLK
$75.00
Out of stock. Join the waitlist to be notified when this product becomes available.
CMMG LPK 556 WITHOUT GRIP/FIRE CONTR
$42.00 Add to cart
CMMG ZEROED LPK MK3
$137.00 Add to cart
DBST LPK 556 BLK
$86.00 Add to cart
DD LPK 556 BLK
$133.00 Add to cart
GEISSELE LPK STANDARD
$65.00 Add to cart
KAK AR-15 LPK BASIC AMBI BUILD KIT
$34.00 Add to cart

1
2
→

A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed.

JRB Arms, Granger Indiana

sales@jrb-arms.com

A Veteran Owned Company

JRB Arms Granger Indiana

© 2026 JRB Arms, All rights reserved

Terms and Conditions Privacy Policy Return Policy Contact Check Your Gift Carb balance

Insert the email id for which the coupon was issued

Products in cart
Product	Details	Total
	Available on backorder Previous price: Discounted price: Save	Save

Subtotal $0.00

Shipping, taxes, and discounts calculated at checkout.

Your cart is currently empty!

Notifications