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SIERRA 7177 22CAL 77 GR. TMK MATCH 100 CT.
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$42.74
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SKU: 7177-092763071779
Overview
Designed for precision shooting, this 77 grain Tipped MatchKing bullet adds a tip to the MatchKing line to help reduce drag and support a more favorable ballistic coefficient. It is also intended to feed reliably in magazine-fed firearms, with seating that allows cartridges to be loaded into M16/AR15 magazines. Sierra notes that MatchKing and Tipped MatchKing bullets are not recommended for most hunting applications, and that their varmint use does not deliver the same explosive expansion as lightly jacketed alternatives. This bullet requires a barrel twist rate of 1:8 or faster, making it a specialized choice for shooters who prioritize match-oriented performance.
Why Hunters Choose the Sierra Bullets
Acetal Resin
Tip helps reduce drag for
Reliable Feeding
In magazine-fed firearms
77-grain Tmk
Seating supports cartridges loaded into
Suitable Barrels
A 1:8 twist rate or
Packaged 100-count
Box for range or load
Key Features
- 77 grain Tipped MatchKing (TMK) bullets from Sierra's MatchKing line
- Acetal resin tip designed to reduce drag and improve ballistic coefficient
- Built for reliable feeding in magazine-fed firearms
- Seating allows cartridges to be loaded into M16/AR15 magazines
- Not recommended for most hunting applications
- Requires a barrel twist rate of 1:8 or faster
Best Used For
- Precision target shooting where reduced drag and consistent magazine feeding matter
- AR15 or M16 magazine-fed setups needing 77 grain TMK seating compatibility
- Shooters using a 1:8 twist barrel or faster, per product requirements
- Varmint hunters who understand this bullet is not designed for maximum expansion
- Match-focused users prioritizing the Tipped MatchKing design over general hunting use
Specifications
| Barrel Twist Rate | 1:8 or faster |
|---|---|
| Bullet Caliber | .22 |
| Bullet Type | Tipped MatchKing (TMK) |
| Bullet Weight | 77 grain |
| Compatible Magazine Type | M16/AR15 magazines |
| Feeding | Reliable feeding in magazine fed firearms |
| Oal Seating | Allows seating to an OAL that permits loading into M16/AR15 magazines |
| Quantity | 100 count |
| Recommended For Hunting | Not recommended for most hunting applications |
| Tip Material | Acetal resin |
Pros
- Acetal resin tip helps reduce drag for a more favorable ballistic coefficient.
- Designed for reliable feeding in magazine-fed firearms.
- 77-grain TMK seating supports cartridges loaded into M16/AR15 magazines.
- Suitable for barrels with a 1:8 twist rate or faster.
- Packaged in a 100-count box for range or load development use.
Considerations & Trade-offs
- Designed for match use rather than general hunting applications, so it may not be the right choice if your priority is terminal performance on game.
- Sierra notes that MatchKing and Tipped MatchKing bullets are commonly used for varmint hunting, but they do not provide the same reliable explosive expansion as lightly jacketed Hornet, Blitz, or Varminter bullets at equivalent velocities.
- This 77 grain TMK requires a barrel twist rate of 1:8 or faster, which limits compatibility with slower-twist barrels.
- The seating length is intended to permit loading into M16/AR15 magazines, so cartridge overall length considerations are part of setup.
Suggested Comparisons
- .22 caliber match bullets
- Tipped match bullets
- Varmint bullets
- AR-15 compatible bullets
Suggested Accessories
- Reloading dies
- Bullet comparator
- Powder scale
- Cartridge case gauge
Frequently Asked Questions
What is the Sierra 7177 TMK Match bullet designed for?
It is part of Sierra’s Tipped MatchKing line, which adds an acetal resin tip to the MatchKing design to reduce drag and improve ballistic coefficient. The product is presented as a match bullet, not a general-purpose hunting bullet.
Is this bullet recommended for hunting?
Sierra states that MatchKing and Tipped MatchKing bullets are not recommended for most hunting applications. The description notes they are sometimes used for varmint hunting, but also says they do not provide the same reliable explosive expansion as Sierra’s lightly jacketed Hornet, Blitz, or Varminter bullets.
Will the 77 grain TMK work in AR-15 magazines?
Yes. The description says the 77 grain Tipped MatchKing allows seating to an overall length that permits cartridges to be loaded into M16/AR15 magazines.
What twist rate is required for this bullet?
Sierra specifies that this bullet requires a barrel twist rate of 1:8 or faster.
How many bullets are included in the package?
This product is sold as a 100-count box.