Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Government Export Restriction Government Export Restriction
Government Restriction Government Restriction
You May Also Like
Best Rated Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI557BLK-30RD
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI557BLK-30RD
(33)
List: $14.95 $13.95 Save Up to $1.00
Best Rated Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 20 Round, Black, 1 Pack, Polymer, MAG560BLK-20RD
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 20 Round, Black, 1 Pack, Polymer, MAG560BLK-20RD
(24)
List: $14.95 $14.19
Best Rated Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI556BLK-30RD
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI556BLK-30RD
(45)
List: $17.95 $16.95 Save Up to $1.00
Best Rated Magpul Industries PMAG GEN M2 MOE AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI571BLK-30RD
Magpul Industries PMAG GEN M2 MOE AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI571BLK-30RD
(52)
List: $12.95 $11.95 Save Up to $1.00
Best Rated Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Coyote Tan, 1 Pack, Polymer, MAG557-MCT-30RD
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Coyote Tan, 1 Pack, Polymer, MAG557-MCT-30RD
(33)
List: $14.95 $13.95 Save Up to $1.00
Best Rated Strike Industries Rifle Magazine, AR-15, .223 Remington/5.56 NATO, 33 Round, Smoke Gray, 1 Pack, Polymer, SI-AR-MAG-33RD
Strike Industries Rifle Magazine, AR-15, .223 Remington/5.56 NATO, 33 Round, Smoke Gray, 1 Pack, Polymer, SI-AR-MAG-33RD
(10)
List: $26.99 $17.99 Save Up to 33%
Best Rated Magpul Industries PMAG GEN M2 MOE AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI570BLK-30RD
Magpul Industries PMAG GEN M2 MOE AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI570BLK-30RD
(12)
List: $15.95 $14.95 Save Up to $1.00
Best Rated Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Remington, 40 Round, Black, 1 Pack, Polymer, MGMPI233BLK-40RD
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Remington, 40 Round, Black, 1 Pack, Polymer, MGMPI233BLK-40RD
(12)
List: $22.95 $20.45 Save Up to 11%
Best Rated Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Coyote Tan, 1 Pack, Polymer, MAG556-MCT-30RD
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Coyote Tan, 1 Pack, Polymer, MAG556-MCT-30RD
(45)
List: $17.95 $16.95 Save Up to $1.00
Blazin' Deal TRYBE Defense Cowl Induction Muzzle Brake, 5.56/.223 Remington, 5/8x24, Black, TRBCIB55658x24
TRYBE Defense Cowl Induction Muzzle Brake, 5.56/.223 Remington, 5/8x24, Black, TRBCIB55658x24
(47)
List: $132.99 $53.28 Save Up to 60%
Questions & Answers
What is the overall length? Expert Answer

The CMMG ZEROED 5.56 Linear Compensator 55DA5A9 is 1.4" in length.

by Hunter, Gear Expert, September 21, 2023
What's the o.d. outside diameter ?

Approximately 0.865”

by M, Verified Owner, June 6, 2022
Customer Reviews
Helpful Positive Review
CMMG linear compensator by Jason Knight, Verified Owner, December 26, 2023
Excellent choice for 11.5 inch barrel pistol or SBR. Less than 1.5 in Long.
3/3 found this helpful
Helpful Positive Review
Does a nice job by Steve Hogan, Verified Owner, December 6, 2023
Using this on a KelTec P50. It does a nice job of pushing the blast down range. Not the best compensator from the standpoint of muzzle raise, but didn't want one of those because of the blast being directed in your face. This is a nice compromise ...
Read More...
1/1 found this helpful
Most Recent Reviews
Fast delivery by Keith Dano, Verified Owner, February 7, 2026
Love optics planet. Easy to navigate and order . Items always come on time and packaged well.
Most Recent Reviews
Great little comp! by Tom, November 1, 2024
Just bought this compensator for my 12.5” 5.56 pistol build because I really like the one I have on my CMMG MK4 9mm PCC. I like the fact that this comp is on the smaller side and that the fit and finish is great. It’s a great comp without breaking t...
Read More...
Most Recent Reviews
Great compensator ! by Michael, Verified Owner, October 25, 2024
Recently purchased this for a Build that I have done, keeps the recoil down as well as the muzzle flash
Read All 5 Reviews
Eligible models will have a savings offer. Apply coupon and add the item to your cart for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Color:
Black
Caliber:
.22 Long Rifle, 5.7x28mm, 5.56x45mm NATO
Finish:
SBN
Fabric/Material:
303 Stainless Steel
Threads per Inch:
1/2x28
Condition:
New

Code: 2CM-BMB-ZER556LINC-55DA5A9

MPN: 55DA5A9

UPC: 810046234693

10%
Product Discount
List: $74.95Save $4.96
$69.99

Buy Together and Save

OP Bucks$1.60
Some discounts may not apply to bundled purchases

Product Info for CMMG ZEROED 5.56 Linear Compensator

The CMMG ZEROED 5.56 Linear Comp is the practical solution for a high functioning muzzle device in a compact size. Redirecting muzzle blast forward while reducing rise will make for a first-rate shooting experience with the CMMG ZEROED 5.56 Linear Comp. Threaded ?-28 and CNC machined from 303 Stainless Steel with a Nitride finish, the CMMG ZEROED 5.56 Linear Comp is an uncompromising barrel accessory that will complete the look of your gun and up-level any shooting experience.image

Specifications for CMMG ZEROED 5.56 Linear Compensator:

Manufacturer: CMMG
Color: Black
Caliber: 5.56x45mm NATO, 5.7x28mm, .22 Long Rifle
Finish: SBN
Fabric/Material: 303 Stainless Steel
Threads per Inch: 1/2x28
Condition: New

Features of CMMG ZEROED 5.56 Linear Compensator

  • CNC machined from 303 Stainless Steel with a Nitride finish

Package Contents:

  • CMMG ZEROED 5.56 Linear Compensator

CMMG ZEROED 5.56 Linear Compensator Orderable Models

List of Orderable Models

  • CMMG ZEROED 5.56 Linear Compensator, Black, 55DA5A9 , MPN: 55DA5A9 , UPC: 810046234693 , Code: 2CM-BMB-ZER556LINC-55DA5A9

CMMG ZEROED 5.56 Linear Compensator Unavailable & Discontinued Models

List of Unorderable Models

  • USED, CMMG ZEROED 5.56 Linear Compensator, Black, 55DA5A9 , MPN: 55DA5A9-EDEMO , Code: 2CM-BMB-ZER556LINC-55DA5A9-EDEMO-RE-B
Compare (0)