FREE SHIPPING On Orders $99+!
Use Code: FREESHIP99 In Checkout

FREE SHIPPING On All Orders $99+!
Use Code: FREESHIP99 In Checkout

Daily Deal: Brownells BRN-180® Gen3 16" 223 Wylde $1199.99 $900.00 - Get Yours! 

7100-RUSH-Website-Content-Week-30-free-ship-on-gun-parts-Category_Category-Banner
7100-RUSH-Website-Content-Week-30-free-ship-on-gun-parts-Category_Category-Banner-Mobile
This Week Only
FREE SHIPPING
All Gun Parts
Use Code: PARTSFS
Shop Gun Parts
6294 Brownells Banners - Week 11 - Category Header_Geissele
6294 Brownells Banners - Week 11 - Category Header_Geissele Mobile

THE GOLD STANDARD
OF AR UPGRADES!

Shop Geissele Uppers,
Triggers, and Upgrades!
Upgrade Now!
4509 Site Banners - BRN180 Gen-3 Launch_Category Hero
4509 Site Banners - BRN180 Gen-3 Launch_Category Hero Mobile(1)

BROWNELLS BRN-180® GEN3

You've Been Waiting - Don't Miss Out Again!
Back In Stock!

Rifle Caliber Conversion Kits

8 Items

Rifle Caliber Conversion Kits — 8 Products In Stock / 5 Models

Our Rifle Caliber Conversion Kits selection features 8 in-stock products including  from 6 premium brands including STERN DEFENSE, LLC, HOGUE, & CMMG.  Browse our full Rifle Parts selection here.

Sort by:
8 Total Products
You're viewing results for:
Products:  1  –  9  of 9
Number of results: 
  • 32
  • 64
  • 96
Product badge
CMMG - AR-15/M16 22LR BRAVO CONVERSION KITS CMMG - AR-15/M16 22LR BRAVO CONVERSION KITS
5 Stars
(4.5)

$184.99 - $259.95

Select Items In Stock
Product badge
BOONIE PACKER PRODUCTS - AR-15/M16 BETTER-MAG S&W M&P 15-22 MAGAZINE CONVERSION ADAPTER BOONIE PACKER PRODUCTS - AR-15/M16 BETTER-MAG S&W M&P 15-22 MAGAZINE CONVERSION ADAPTER
5 Stars
(3.6)

$61.99

In stock
Product badge
BROWNELLS - AR-15 EJECTION PORT COVER SPRINGS BROWNELLS - AR-15 EJECTION PORT COVER SPRINGS
5 Stars
(4.2)

$3.99 - $6.99

In stock
Product badge
STERN DEFENSE, LLC - AR-15 9MM CONVERSION ADAPTER STERN DEFENSE, LLC - AR-15 9MM CONVERSION ADAPTER
5 Stars
(4.7)

$179.99 - $186.99

Select Items In Stock
Product badge
HOGUE - AR-15 FREEDOM FIGHTER FIXED MAGAZINE CONVERSION KIT HOGUE - AR-15 FREEDOM FIGHTER FIXED MAGAZINE CONVERSION KIT
5 Stars
(4.5)

$55.21

In stock
Product badge
STERN DEFENSE, LLC - AR-15 M&P 45ACP CONVERSION ADAPTER STERN DEFENSE, LLC - AR-15 M&P 45ACP CONVERSION ADAPTER
5 Stars
(5.0)

$186.99

In stock
Product badge
CMMG - 22ARC STAINLESS STEEL BRAVO RECEIVER FRAME CMMG - 22ARC STAINLESS STEEL BRAVO RECEIVER FRAME
5 Stars
(0.0)

$47.69

Online Only - Special Order. Please allow 4-5 weeks additional processing time.
Product badge
HOGUE - AR-15 FREEDOM FIGHTER FIXED MAGAZINE CONVERSION REFILL KIT HOGUE - AR-15 FREEDOM FIGHTER FIXED MAGAZINE CONVERSION REFILL KIT
5 Stars
(0.0)

$38.21

In stock
Product badge
COLT - AR-15/M16 9MM DEDICATED CONVERSION BLOCK COLT - AR-15/M16 9MM DEDICATED CONVERSION BLOCK
5 Stars
(4.5)

$119.99

Out of Stock
Products:  1  –  9  of 9