FREE SHIPPING On All Gun Parts!
Use Code: PARTSFS In Checkout

FREE SHIPPING On All Gun Parts!
Use Code: PARTSFS In Checkout

Daily Deal: Brownells Premium Slide For Glock 43 w/ 407K Cut $249.99  $199.99 - Get Yours! 

Lower Parts Kits 23 Items

Lower Parts Kits — 23 Products In Stock / 3 Models

Lower Parts Kits are purpose-built components designed to deliver consistent performance for the specific needs of recreational shooters, hunters, and professionals. Our lineup includes 23 in-stock products with savings on qualifying orders, and all Brownells brand products backed by our Forever Guarantee®.

We carry Lower Parts Kits from 21 of the most respected brands in the industry, including AERO PRECISION, CMMG, COLT, KAK INDUSTRY LLC.. Verified buyers rate our Lower Parts Kits 4.4 Ratings out of 344 Reviews from verified buyers, reflecting the durability and craftsmanship that earn repeat purchases.

From the range to the field, every Lower Parts Kits product we ship meets the standards our customers have trusted since 1939. Continue browsing our full selection of Rifle Lower & Upper Parts Kits for more great products at Brownells.

Sort by:
23 Total Products
You're viewing results for:
Products:  1  –  32  of 47
Number of results: 
  • 32
  • 64
  • 96
CMMG - GUNBUILDER'S LOWER PARTS KIT FOR AR-15 LOWER CMMG - GUNBUILDER'S LOWER PARTS KIT FOR AR-15 LOWER
5 Stars
(4.6)

$34.99

In stock
GEISSELE AUTOMATICS LLC - AR-15 ULTRA DUTY LOWER PARTS KITS GEISSELE AUTOMATICS LLC - AR-15 ULTRA DUTY LOWER PARTS KITS
5 Stars
(5.0)

$153.00 - $158.00

Select Items In Stock
CMMG - AR-15 LOWER PARTS KIT CMMG - AR-15 LOWER PARTS KIT
5 Stars
(4.1)

$56.99

In stock
BRAVO COMPANY - AR-15 BCMGUNFIGHTER™ ENHANCED LOWER PARTS KITS BRAVO COMPANY - AR-15 BCMGUNFIGHTER™ ENHANCED LOWER PARTS KITS
5 Stars
(4.5)

$119.95

In stock
GEISSELE AUTOMATICS LLC - AR-15 LOWER PARTS KIT GEISSELE AUTOMATICS LLC - AR-15 LOWER PARTS KIT
5 Stars
(3.5)

$62.00

In stock
CMMG - AR-15/M16 LOWER SPRING KIT CMMG - AR-15/M16 LOWER SPRING KIT
5 Stars
(4.3)

$12.49

In stock
RISE ARMAMENT - OH SH#T SPARE PARTS KIT FOR AR-15 RISE ARMAMENT - OH SH#T SPARE PARTS KIT FOR AR-15
5 Stars
(5.0)

$15.99

In stock
GEISSELE AUTOMATICS LLC - AR-15 MIL-SPEC LOWER PARTS KIT W/ GRIP, NO TRIGGER GEISSELE AUTOMATICS LLC - AR-15 MIL-SPEC LOWER PARTS KIT W/ GRIP, NO TRIGGER
5 Stars
(4.0)

$68.00

In stock
DANIEL DEFENSE - AR-15 LOWER PARTS KIT DANIEL DEFENSE - AR-15 LOWER PARTS KIT
5 Stars
(4.2)

$128.00

In stock
Product badge ALG DEFENSE - AR-15 LOWER PARTS KIT W/ ACT TRIGGER ALG DEFENSE - AR-15 LOWER PARTS KIT W/ ACT TRIGGER
5 Stars
(4.8)

$112.99 - $113.00

Select Items In Stock
SONS OF LIBERTY GUN WORKS - BLASTER LOWER PARTS STARTER KIT FOR AR-15 SONS OF LIBERTY GUN WORKS - BLASTER LOWER PARTS STARTER KIT FOR AR-15
5 Stars
(4.7)

$69.99

In stock
SONS OF LIBERTY GUN WORKS - BLASTER GUTS LOWER PARTS KIT W/LIBERTY FIGHTING TRIGGER FOR AR15 SONS OF LIBERTY GUN WORKS - BLASTER GUTS LOWER PARTS KIT W/LIBERTY FIGHTING TRIGGER FOR AR15
5 Stars
(5.0)

$120.00

In stock
ZRO DELTA - AR-15 ELG LOWER PARTS KIT ZRO DELTA - AR-15 ELG LOWER PARTS KIT
5 Stars
(3.9)

$39.99 - $52.99

Select Items In Stock
ALG DEFENSE - AR-15 LOWER PARTS KIT W/ QMS TRIGGER ALG DEFENSE - AR-15 LOWER PARTS KIT W/ QMS TRIGGER
5 Stars
(4.6)

$93.00 - $96.00

Select Items In Stock
ARMASPEC - AR-15 STAINLESS LOWER PARTS KITS .223/5.56 ARMASPEC - AR-15 STAINLESS LOWER PARTS KITS .223/5.56
5 Stars
(3.5)

$71.99

In stock
LUTH-AR LLC - AR-15 BUILDER KIT LUTH-AR LLC - AR-15 BUILDER KIT
5 Stars
(3.6)

$38.99

In stock
LUTH-AR LLC - AR-15 LOWER PARTS KIT LUTH-AR LLC - AR-15 LOWER PARTS KIT
5 Stars
(4.6)

$55.92

In stock
ARMASPEC - AR-15 GUN BUILDERS LOWER PARTS KITS STAINLESS .223/5.56 ARMASPEC - AR-15 GUN BUILDERS LOWER PARTS KITS STAINLESS .223/5.56
5 Stars
(3.6)

$67.49

In stock
CMMG - AR-15/M16 ENHANCED REPAIR KIT CMMG - AR-15/M16 ENHANCED REPAIR KIT
5 Stars
(5.0)

$36.92

In stock
STRIKE INDUSTRIES - AR-15/M16 LOWER RECEIVER GUNSMITH SPRING KIT STRIKE INDUSTRIES - AR-15/M16 LOWER RECEIVER GUNSMITH SPRING KIT
5 Stars
(3.0)

$8.95 - $95.95

In stock
BATTLE ARMS DEVELOPMENT INC. - AR-15 INVESTMENT CAST ENHANCED LOWER PARTS KIT BATTLE ARMS DEVELOPMENT INC. - AR-15 INVESTMENT CAST ENHANCED LOWER PARTS KIT
5 Stars
(4.0)

$34.95

In stock
KAK INDUSTRY LLC. - AR-15 MISSING PARTS KIT FOR LOWER RECEIVER KAK INDUSTRY LLC. - AR-15 MISSING PARTS KIT FOR LOWER RECEIVER
5 Stars
(0.0)

$8.99

Out of Stock
STRIKE INDUSTRIES - AR ENHANCED LOWER RECEIVER PARTS KIT STRIKE INDUSTRIES - AR ENHANCED LOWER RECEIVER PARTS KIT
5 Stars
(4.1)

$75.95

Out of Stock
LMT DEFENSE - LMT 5.56MM LOWER PARTS KIT LMT DEFENSE - LMT 5.56MM LOWER PARTS KIT
5 Stars
(0.0)

$141.30 - $322.65

Out of Stock
WILSON COMBAT - AR-15 RECEIVER SMALL PARTS KIT WILSON COMBAT - AR-15 RECEIVER SMALL PARTS KIT
5 Stars
(4.5)

$51.95

Out of Stock
BATTLE ARMS DEVELOPMENT INC. - AR-15 INVESTMENT CAST COMPLETE ENHANCED LOWER PARTS KIT BATTLE ARMS DEVELOPMENT INC. - AR-15 INVESTMENT CAST COMPLETE ENHANCED LOWER PARTS KIT
5 Stars
(5.0)

$131.95

Out of Stock
AERO PRECISION - LOWER PARTS KIT NO FCG/ PISTOL GRIP/ TRIGGERGUARD FOR AR-15 AERO PRECISION - LOWER PARTS KIT NO FCG/ PISTOL GRIP/ TRIGGERGUARD FOR AR-15
5 Stars
(4.3)

$32.99

Out of Stock
AERO PRECISION - M4E1 LOWER PARTS KITS W/MOE GRIP FOR AR-15 AERO PRECISION - M4E1 LOWER PARTS KITS W/MOE GRIP FOR AR-15
5 Stars
(4.6)

$89.99

Out of Stock
AERO PRECISION - EPC LOWER PARTS KIT W/NO FCG, GRIP OR TRIGGER GUARD FOR AR-15 AERO PRECISION - EPC LOWER PARTS KIT W/NO FCG, GRIP OR TRIGGER GUARD FOR AR-15
5 Stars
(4.0)

$35.99

Out of Stock
COLT - LOWER RECEIVER PARTS KIT COLT - LOWER RECEIVER PARTS KIT
5 Stars
(4.4)

$124.99

Out of Stock
AERO PRECISION - LOWER PARTS KITS W/ MOE GRIP FOR AR-15 AERO PRECISION - LOWER PARTS KITS W/ MOE GRIP FOR AR-15
5 Stars
(4.3)

$98.99

Out of Stock
AERO PRECISION - LOWER PARTS KITS W/MOE SL GRIP, NO FIRE CONTROL GROUP FOR AR15 AERO PRECISION - LOWER PARTS KITS W/MOE SL GRIP, NO FIRE CONTROL GROUP FOR AR15
5 Stars
(5.0)

$57.99 - $59.99

Out of Stock
Products:  1  –  32  of 47