We may get paid by partner for deals, including promoted items

Sponsored

OpticsPlanet use Code: GEARCHASE Amazon - Lightning Deals Amazon - Hunting Deals Bike Racks Heated Clothing Stio Hoka Fishing Mountain Hardwear

M4 5.56 Upper Receiver Groups - M4 Le6933 Upper Group 11.5'''' Stripped by Colt - Receivers

Product Description

Add the Colt legend of reliability to your rifle or build with these complete feature 1/7 RH twist in a chrome lined, button rifled barrel. Available with or without a charging handle, bolt carrier group, and back up sights. All NFA rules apply. NOTE: "Stripped" does NOT include bolt carrier group (BCG), charging handle, or rear backup sight Mfg: Colt

M4 5.56 Upper Receiver Groups - M4 Le6933 Upper Group 11.5'''' Stripped

at Brownells.com

Browse all Brownells.com deals

$444.99

Out of Stock

Buy Now at Brownells.com

Secure checkout Easy returns

or compare prices

Product Details

Category Receivers

Brand Colt

MPN 64785

Shop more Colt Gun Parts

All 200 in-stock Colt Gun Parts from 16 stores →

More from Colt

Last Updated:

Oct 11, 2026 01:13 AM

Sold Out

M16 R0901 5.56 Complete Upper Receiver Groups - M16 Upper Group 20in M16 Handguard Stripped

M16 R0901 5.56 Complete Upper Receiver Groups - M16 Upper Group 20in M16 Handguard Stripped View Details

$574.99

Buy Now · $574.99

Last Updated:

Oct 11, 2026 01:13 AM

Sold Out

Enhanced Patrol Rifle Epr 5.56 M4 Upper Receiver Groups - M4 Le6933 Epr Upper Group 11.5in Stripped

Enhanced Patrol Rifle Epr 5.56 M4 Upper Receiver Groups - M4 Le6933 Epr Upper Group 11.5in Stripped View Details

$729.99

Buy Now · $729.99

Last Updated:

Oct 11, 2026 01:13 AM

Sold Out

M4 5.56 Complete Monolithic Upper Receiver Groups - M4 Le6944 Upper Group 14.5in Stripped

M4 5.56 Complete Monolithic Upper Receiver Groups - M4 Le6944 Upper Group 14.5in Stripped View Details

$839.99

Buy Now · $839.99

Last Updated:

Oct 11, 2026 01:13 AM

Sold Out

M4 5.56 Upper Receiver Groups - M4 Le6933 Upper Group 11.5in With Bcg And Sights

M4 5.56 Upper Receiver Groups - M4 Le6933 Upper Group 11.5in With Bcg And Sights View Details

$813.99

Buy Now · $813.99

Last Updated:

Oct 11, 2026 01:13 AM

Sold Out

M4 5.56 Upper Receiver Groups - M4 Le6921 Upper Group 14.5in Stripped

M4 5.56 Upper Receiver Groups - M4 Le6921 Upper Group 14.5in Stripped View Details

$499.99

Buy Now · $499.99

Last Updated:

Oct 11, 2026 01:13 AM

Sold Out

M16 R0901 5.56 Complete Upper Receiver Groups - M16 Upper Group 20in Moe Stripped

M16 R0901 5.56 Complete Upper Receiver Groups - M16 Upper Group 20in Moe Stripped View Details

$499.99

Buy Now · $499.99

Last Updated:

Oct 11, 2026 01:13 AM

Sold Out

M4 5.56 Complete Monolithic Upper Receiver Groups - M4 Le6940 Upper Group 16in Stripped

M4 5.56 Complete Monolithic Upper Receiver Groups - M4 Le6940 Upper Group 16in Stripped View Details

$1070.99

Buy Now · $1070.99

Last Updated:

Oct 11, 2026 01:13 AM

Sold Out

Enhanced Patrol Rifle Epr 5.56 M4 Upper Receiver Groups - M4 Le6921epr Upper Group 14.5in With Bcg

Enhanced Patrol Rifle Epr 5.56 M4 Upper Receiver Groups - M4 Le6921epr Upper Group 14.5in With Bcg View Details

$994.99

Buy Now · $994.99

Last Updated:

Oct 11, 2026 01:13 AM

Sold Out

Enhanced Patrol Rifle Epr 5.56 M4 Upper Receiver Groups - M4 Le6920epr Upper Group 16in With Bcg

Enhanced Patrol Rifle Epr 5.56 M4 Upper Receiver Groups - M4 Le6920epr Upper Group 16in With Bcg View Details

$999.99

Buy Now · $999.99

Last Updated:

Oct 11, 2026 01:13 AM

Sold Out

M4 5.56 Complete Monolithic Upper Receiver Groups - M4 Le6943 Upper Group 11.5in With Bcg And Sights

M4 5.56 Complete Monolithic Upper Receiver Groups - M4 Le6943 Upper Group 11.5in With Bcg And Sights View Details

$1215.38

Buy Now · $1215.38

Last Updated:

Oct 11, 2026 01:13 AM

Sold Out

M4 5.56 Complete Monolithic Upper Receiver Groups - M4 Le6945 Upper Group 10.3in With Bcg And Sights

M4 5.56 Complete Monolithic Upper Receiver Groups - M4 Le6945 Upper Group 10.3in With Bcg And Sights View Details

$1349.99

Buy Now · $1349.99

Last Updated:

Oct 11, 2026 01:13 AM

Sold Out

M4 Upper Receiver 5.56 Socom Barrel - M4 Socom Upper Group 14.5in Stripped

M4 Upper Receiver 5.56 Socom Barrel - M4 Socom Upper Group 14.5in Stripped View Details

$541.99

Buy Now · $541.99

Last Updated:

Oct 11, 2026 01:13 AM

Sold Out

M16 R0901 5.56 Complete Upper Receiver Groups - M16 Upper Group 20in Moe With Bcg & Charging Handle

M16 R0901 5.56 Complete Upper Receiver Groups - M16 Upper Group 20in Moe With Bcg & Charging Handle View Details

$679.99

Buy Now · $679.99

Last Updated:

Oct 11, 2026 01:13 AM

M4 Upper Receiver Assembly No Handguards - Le6920 Upper Receiver 16 Barrel W/ Bcg & Charging Handle

M4 Upper Receiver Assembly No Handguards - Le6920 Upper Receiver 16 Barrel W/ Bcg & Charging Handle View Details

$749.99

Buy Now · $749.99

Last Updated:

Oct 11, 2026 01:13 AM

Sold Out

Enhanced Patrol Rifle Epr 5.56 M4 Upper Receiver Groups - M4 Le6933 Epr Upper Group 11.5in With Bcg.

Enhanced Patrol Rifle Epr 5.56 M4 Upper Receiver Groups - M4 Le6933 Epr Upper Group 11.5in With Bcg. View Details

$974.99

Buy Now · $974.99

Last Updated:

Oct 11, 2026 01:13 AM

Sold Out

Ar15a4 Upper Rcvr Assembly, Carbine

Ar15a4 Upper Rcvr Assembly, Carbine View Details

$175.99

Buy Now · $175.99

Last Updated:

Oct 11, 2026 01:13 AM

Sold Out

M4 5.56 Upper Receiver Groups - M4 Le6920 Upper Group 16in Stripped

M4 5.56 Upper Receiver Groups - M4 Le6920 Upper Group 16in Stripped View Details

$495.99

Buy Now · $495.99

Last Updated:

Oct 11, 2026 01:13 AM

Sold Out

Ar-15 Le6960-Ccu Upper Receiver 5.56 M-Lok - Le6960-Ccu Upper Receiver 5.56 M-Lok Black

Ar-15 Le6960-Ccu Upper Receiver 5.56 M-Lok - Le6960-Ccu Upper Receiver 5.56 M-Lok Black View Details

$659.99

Buy Now · $659.99

Last Updated:

Oct 11, 2026 01:13 AM

Sold Out

Ar15a4 Upper Rcvr, Flattop, Mod. Carb

Ar15a4 Upper Rcvr, Flattop, Mod. Carb View Details

$129.99

Buy Now · $129.99