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This week only: AR parts 15% off - SHOP NOW

This week only: AR parts 15% off - SHOP NOW

Rifle Caliber Conversion Kits

17 Items

Browse 13 Rifle Caliber Conversion Kits Products Up To 14% Off + Coupon

Brownells Rifle Caliber Conversion Kits products have an average rating of 4.6/5 and 264 reviews from verified buyers and brands like CMMG, HAHN PRECISION, HOGUE, & STERN DEFENSE, LLC.  Check out all of our Rifle Parts products at Brownells today.

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Product badge CMMG - AR-15/M16 22LR BRAVO CONVERSION KITS CMMG - AR-15/M16 22LR BRAVO CONVERSION KITS
5 Stars
(4.5)

$164.99 - $179.99

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

$179.99 - $186.99

In stock
Product badge HAHN PRECISION - AR-15/M16 9MM DROP-IN CONVERSION BLOCK HAHN PRECISION - AR-15/M16 9MM DROP-IN CONVERSION BLOCK
5 Stars
(4.9)

$280.49

In stock
Product badge HAHN PRECISION - AR-15/M16 9MM DROP-IN CONVERSION BLOCKS HAHN PRECISION - AR-15/M16 9MM DROP-IN CONVERSION BLOCKS
5 Stars
(4.4)

$187.99 - $216.49

In stock
Product badge BROWNELLS - AR-15 EJECTION PORT COVER SPRINGS BROWNELLS - AR-15 EJECTION PORT COVER SPRINGS
5 Stars
(3.0)

$3.99 - $6.99

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
HAHN PRECISION - 9MM ADAPTER FOR KE ARMS KP-15/KE-15 HAHN PRECISION - 9MM ADAPTER FOR KE ARMS KP-15/KE-15
5 Stars
(5.0)

$160.00

In stock
CMMG - BRAVO 22ARC CHAMBER ADAPTER ASSEMBLY CMMG - BRAVO 22ARC CHAMBER ADAPTER ASSEMBLY
5 Stars
(5.0)

$54.99

In stock
Product badge CMMG - AR MK57 CONVERSION KIT 22LR W/ MAGAZINES CMMG - AR MK57 CONVERSION KIT 22LR W/ MAGAZINES
5 Stars
(0.0)

$169.99 - $202.99

$197.99

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

$44.99

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
Product badge ROCK RIVER ARMS - AR-15/M16 9MM DROP-CONVERSION BLOCK ROCK RIVER ARMS - AR-15/M16 9MM DROP-CONVERSION BLOCK
5 Stars
(5.0)

$258.49

Out of Stock
Product badge BROWNELLS BUNDLES - AR-15/M16 9MM DROP-IN CONVERSION BLOCKS W/32RD MAGAZINE BROWNELLS BUNDLES - AR-15/M16 9MM DROP-IN CONVERSION BLOCKS W/32RD MAGAZINE
5 Stars
(4.0)

$230.99 - $246.99

Out of Stock
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